diff --git a/Gemfile b/Gemfile
index e7e19a239a851471fead11dd988c52da646f79fa..29ce5faa2321e6905a6178d5cb0f929a99ebc1b0 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ gem 'rails', '3.2.13'
 
 # Appserver
 
-gem 'unicorn', '4.6.2', :require => false
+gem 'unicorn', '4.6.3', :require => false
 
 # API and JSON
 
@@ -33,24 +33,24 @@ gem 'rack-cors', '0.2.8', :require => 'rack/cors'
 
 ENV['DB'] ||= 'mysql'
 
-gem 'mysql2', '0.3.11' if ENV['DB'] == 'all' || ENV['DB'] == 'mysql'
-gem 'pg',     '0.15.1' if ENV['DB'] == 'all' || ENV['DB'] == 'postgres'
+gem 'mysql2', '0.3.13' if ENV['DB'] == 'all' || ENV['DB'] == 'mysql'
+gem 'pg',     '0.16.0' if ENV['DB'] == 'all' || ENV['DB'] == 'postgres'
 
 gem 'activerecord-import', '0.3.1'
-gem 'foreigner',           '1.4.1'
+gem 'foreigner',           '1.4.2'
 
 # File uploading
 
-gem 'carrierwave', '0.8.0'
-gem 'fog',         '1.12.1'
+gem 'carrierwave', '0.9.0'
+gem 'fog',         '1.14.0'
 gem 'mini_magick', '3.6.0'
-gem 'remotipart',  '1.0.5'
+gem 'remotipart',  '1.2.1'
 
 # Localization
 
 gem 'http_accept_language', '1.0.2'
 gem 'i18n-inflector-rails', '~> 1.0'
-gem 'rails-i18n',           '0.7.3'
+gem 'rails-i18n',           '0.7.4'
 
 # Mail
 
@@ -59,9 +59,9 @@ gem 'messagebus_ruby_api', '1.0.3'
 
 # Parsing
 
-gem 'nokogiri',       '1.5.9'
+gem 'nokogiri',       '1.6.0'
 gem 'rails_autolink', '1.1.0'
-gem 'redcarpet',      '2.3.0'
+gem 'redcarpet',      '3.0.0'
 gem 'roxml',          '3.1.6'
 gem 'ruby-oembed',    '0.8.8'
 
@@ -70,8 +70,8 @@ gem 'ruby-oembed',    '0.8.8'
 gem 'omniauth',          '1.1.4'
 gem 'omniauth-facebook', '1.4.1'
 gem 'omniauth-tumblr',   '1.1'
-gem 'omniauth-twitter',  '0.0.16'
-gem 'twitter',           '4.7.0'
+gem 'omniauth-twitter',  '1.0.0'
+gem 'twitter',           '4.8.1'
 
 # Tags
 
@@ -79,8 +79,8 @@ gem 'acts-as-taggable-on', '2.4.1'
 
 # URIs and HTTP
 
-gem 'addressable',        '2.3.4', :require => 'addressable/uri'
-gem 'faraday',            '0.8.7'
+gem 'addressable',        '2.3.5', :require => 'addressable/uri'
+gem 'faraday',            '0.8.8'
 gem 'faraday_middleware', '0.9.0'
 gem 'typhoeus',           '0.6.3'
 
@@ -105,7 +105,7 @@ group :assets do
 
   # Compression
 
-  gem 'uglifier', '2.1.1'
+  gem 'uglifier', '2.1.2'
 
   # JavaScript
 
@@ -146,7 +146,7 @@ group :production do # we don't install these on travis to speed up test runs
 
   # Third party asset hosting
 
-  gem 'asset_sync', '0.5.4', :require => false
+  gem 'asset_sync', '1.0.0', :require => false
 end
 
 group :development do
@@ -157,34 +157,34 @@ group :development do
   # Automatic test runs
 
   gem 'guard-cucumber', '1.4.0'
-  gem 'guard-rspec',    '3.0.1'
+  gem 'guard-rspec',    '3.0.2'
   gem 'rb-fsevent',     '0.9.3', :require => false
   gem 'rb-inotify',     '0.9.0', :require => false
 
   # Preloading environment
 
-  gem 'guard-spork', '1.5.0'
+  gem 'guard-spork', '1.5.1'
   gem 'spork',       '1.0.0rc3'
 end
 
 group :test do
   # RSpec (unit tests, some integration tests)
 
-  gem 'fixture_builder', '0.3.5'
+  gem 'fixture_builder', '0.3.6'
   gem 'fuubar',          '1.1.1'
   gem 'rspec-instafail', '0.2.4', :require => false
 
   # Cucumber (integration tests)
 
   gem 'capybara',           '2.1.0'
-  gem 'database_cleaner',   '1.0.1'
+  gem 'database_cleaner',   '1.1.0'
   gem 'selenium-webdriver', '2.33.0'
 
   # General helpers
 
   gem 'factory_girl_rails', '4.2.1'
   gem 'timecop',            '0.6.1'
-  gem 'webmock',            '1.11.0', :require => false
+  gem 'webmock',            '1.13.0', :require => false
 end
 
 
@@ -197,5 +197,5 @@ group :development, :test do
 
   # Jasmine (client side application tests (JS))
   gem 'jasmine', '1.3.2'
-  gem 'sinon-rails',	    '1.4.2.1'
+  gem 'sinon-rails',	    '1.7.3'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 9d6741320088a6f653c49fec99cea3040be9b0c6..8fc8b70108f50ac0e046794dce4c332095572212 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -36,12 +36,12 @@ GEM
       activemodel (>= 3.0.0)
       activesupport (>= 3.0.0)
       rack (>= 1.1.0)
-    addressable (2.3.4)
+    addressable (2.3.5)
     arel (3.0.2)
-    asset_sync (0.5.4)
+    asset_sync (1.0.0)
       activemodel
-      fog
-    bcrypt-ruby (3.0.1)
+      fog (>= 1.8.0)
+    bcrypt-ruby (3.1.1)
     bootstrap-sass (2.2.2.0)
       sass (~> 3.2)
     builder (3.0.4)
@@ -51,9 +51,10 @@ GEM
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
-    carrierwave (0.8.0)
+    carrierwave (0.9.0)
       activemodel (>= 3.2.0)
       activesupport (>= 3.2.0)
+      json (>= 1.7)
     celluloid (0.13.0)
       timers (>= 1.0.0)
     childprocess (0.3.9)
@@ -67,7 +68,7 @@ GEM
     coffee-script (2.2.0)
       coffee-script-source
       execjs
-    coffee-script-source (1.6.2)
+    coffee-script-source (1.6.3)
     compass (0.12.2)
       chunky_png (~> 1.2)
       fssm (>= 0.2.7)
@@ -78,17 +79,18 @@ GEM
     connection_pool (1.0.0)
     crack (0.4.0)
       safe_yaml (~> 0.9.0)
-    cucumber (1.3.2)
+    cucumber (1.3.5)
       builder (>= 2.1.2)
       diff-lcs (>= 1.1.3)
       gherkin (~> 2.12.0)
-      multi_json (~> 1.3)
+      multi_json (~> 1.7.5)
+      multi_test (>= 0.0.2)
     cucumber-rails (1.3.1)
       capybara (>= 1.1.2)
       cucumber (>= 1.2.0)
       nokogiri (>= 1.5.0)
       rails (~> 3.0)
-    database_cleaner (1.0.1)
+    database_cleaner (1.1.0)
     devise (2.1.3)
       bcrypt-ruby (~> 3.0)
       orm_adapter (~> 0.1)
@@ -99,7 +101,7 @@ GEM
     ethon (0.5.12)
       ffi (>= 1.3.0)
       mime-types (~> 1.18)
-    excon (0.23.0)
+    excon (0.25.3)
     execjs (1.4.0)
       multi_json (~> 1.0)
     factory_girl (4.2.0)
@@ -107,27 +109,27 @@ GEM
     factory_girl_rails (4.2.1)
       factory_girl (~> 4.2.0)
       railties (>= 3.0.0)
-    faraday (0.8.7)
-      multipart-post (~> 1.1)
+    faraday (0.8.8)
+      multipart-post (~> 1.2.0)
     faraday_middleware (0.9.0)
       faraday (>= 0.7.4, < 0.9)
     ffi (1.9.0)
-    fixture_builder (0.3.5)
+    fixture_builder (0.3.6)
       activerecord (>= 2)
       activesupport (>= 2)
-    fog (1.12.1)
+    fog (1.14.0)
       builder
-      excon (~> 0.23.0)
+      excon (~> 0.25.0)
       formatador (~> 0.2.0)
       mime-types
       multi_json (~> 1.0)
       net-scp (~> 1.1)
       net-ssh (>= 2.1.3)
-      nokogiri (~> 1.5.0)
+      nokogiri (~> 1.5)
       ruby-hmac
-    font-awesome-rails (3.1.1.3)
+    font-awesome-rails (3.2.1.2)
       railties (>= 3.2, < 5.0)
-    foreigner (1.4.1)
+    foreigner (1.4.2)
       activerecord (>= 3.0.0)
     foreman (0.62.0)
       thor (>= 0.13.6)
@@ -142,7 +144,7 @@ GEM
     gon (4.1.1)
       actionpack (>= 2.3.0)
       json
-    guard (1.8.0)
+    guard (1.8.2)
       formatador (>= 0.2.4)
       listen (>= 1.0.0)
       lumberjack (>= 1.0.2)
@@ -151,10 +153,10 @@ GEM
     guard-cucumber (1.4.0)
       cucumber (>= 1.2.0)
       guard (>= 1.1.0)
-    guard-rspec (3.0.1)
+    guard-rspec (3.0.2)
       guard (>= 1.8)
       rspec (~> 2.13)
-    guard-spork (1.5.0)
+    guard-spork (1.5.1)
       childprocess (>= 0.2.3)
       guard (>= 1.1)
       spork (>= 0.8.4)
@@ -169,7 +171,7 @@ GEM
     http_accept_language (1.0.2)
     httpauth (0.2.0)
     i18n (0.6.1)
-    i18n-inflector (2.6.6)
+    i18n-inflector (2.6.7)
       i18n (>= 0.4.1)
     i18n-inflector-rails (1.0.6)
       actionpack (~> 3.0)
@@ -195,32 +197,35 @@ GEM
       actionpack (>= 3.0.0)
       activesupport (>= 3.0.0)
     kgio (2.8.0)
-    listen (1.2.0)
+    listen (1.2.2)
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)
       rb-kqueue (>= 0.2)
-    lumberjack (1.0.3)
+    lumberjack (1.0.4)
     mail (2.5.4)
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     markerb (1.0.1)
       redcarpet (>= 2.0)
     messagebus_ruby_api (1.0.3)
-    method_source (0.8.1)
+    method_source (0.8.2)
     mime-types (1.23)
     mini_magick (3.6.0)
       subexec (~> 0.2.1)
+    mini_portile (0.5.1)
     mobile-fu (1.2.1)
       rack-mobile-detect
       rails
     multi_json (1.7.7)
+    multi_test (0.0.2)
     multipart-post (1.2.0)
-    mysql2 (0.3.11)
+    mysql2 (0.3.13)
     nested_form (0.3.2)
-    net-scp (1.1.1)
+    net-scp (1.1.2)
       net-ssh (>= 2.6.5)
-    net-ssh (2.6.7)
-    nokogiri (1.5.9)
+    net-ssh (2.6.8)
+    nokogiri (1.6.0)
+      mini_portile (~> 0.5.0)
     oauth (0.4.7)
     oauth2 (0.8.1)
       faraday (~> 0.8)
@@ -241,7 +246,7 @@ GEM
       omniauth (~> 1.0)
     omniauth-tumblr (1.1)
       omniauth-oauth (~> 1.0)
-    omniauth-twitter (0.0.16)
+    omniauth-twitter (1.0.0)
       multi_json (~> 1.3)
       omniauth-oauth (~> 1.0)
     orm_adapter (0.4.0)
@@ -277,7 +282,7 @@ GEM
       activesupport (= 3.2.13)
       bundler (~> 1.0)
       railties (= 3.2.13)
-    rails-i18n (0.7.3)
+    rails-i18n (0.7.4)
       i18n (~> 0.5)
     rails_admin (0.4.9)
       bootstrap-sass (~> 2.2)
@@ -304,7 +309,7 @@ GEM
       rdoc (~> 3.4)
       thor (>= 0.14.6, < 2.0)
     raindrops (0.11.0)
-    rake (10.0.4)
+    rake (10.1.0)
     rb-fsevent (0.9.3)
     rb-inotify (0.9.0)
       ffi (>= 0.5.0)
@@ -312,11 +317,11 @@ GEM
       ffi (>= 0.5.0)
     rdoc (3.12.2)
       json (~> 1.4)
-    redcarpet (2.3.0)
+    redcarpet (3.0.0)
     redis (3.0.4)
     redis-namespace (1.3.0)
       redis (~> 3.0.0)
-    remotipart (1.0.5)
+    remotipart (1.2.1)
     rmagick (2.13.2)
     roxml (3.1.6)
       activesupport (>= 2.3.0)
@@ -341,8 +346,8 @@ GEM
     ruby-oembed (0.8.8)
     ruby-progressbar (1.1.1)
     rubyzip (0.9.9)
-    safe_yaml (0.9.3)
-    sass (3.2.9)
+    safe_yaml (0.9.4)
+    sass (3.2.10)
     sass-rails (3.2.6)
       railties (~> 3.2.0)
       sass (>= 3.1.10)
@@ -363,12 +368,12 @@ GEM
       rack (~> 1.3, >= 1.3.6)
       rack-protection (~> 1.2)
       tilt (~> 1.3, >= 1.3.3)
-    sinon-rails (1.4.2.1)
+    sinon-rails (1.7.3)
       railties (>= 3.1)
     slim (1.3.9)
       temple (~> 0.6.3)
       tilt (~> 1.3, >= 1.3.3)
-    slop (3.4.5)
+    slop (3.4.6)
     spork (1.0.0rc3)
     sprockets (2.2.2)
       hike (~> 1.2)
@@ -376,7 +381,7 @@ GEM
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
     subexec (0.2.3)
-    temple (0.6.5)
+    temple (0.6.6)
     thor (0.18.1)
     tilt (1.4.1)
     timecop (0.6.1)
@@ -384,23 +389,23 @@ GEM
     treetop (1.4.14)
       polyglot
       polyglot (>= 0.3.1)
-    twitter (4.7.0)
+    twitter (4.8.1)
       faraday (~> 0.8, < 0.10)
       multi_json (~> 1.0)
       simple_oauth (~> 0.2)
     typhoeus (0.6.3)
       ethon (~> 0.5.11)
     tzinfo (0.3.37)
-    uglifier (2.1.1)
+    uglifier (2.1.2)
       execjs (>= 0.3.0)
       multi_json (~> 1.0, >= 1.0.2)
-    unicorn (4.6.2)
+    unicorn (4.6.3)
       kgio (~> 2.6)
       rack
       raindrops (~> 0.7)
-    warden (1.2.1)
+    warden (1.2.3)
       rack (>= 1.0)
-    webmock (1.11.0)
+    webmock (1.13.0)
       addressable (>= 2.2.7)
       crack (>= 0.3.2)
     websocket (1.0.7)
@@ -415,29 +420,29 @@ DEPENDENCIES
   activerecord-import (= 0.3.1)
   acts-as-taggable-on (= 2.4.1)
   acts_as_api (= 0.4.1)
-  addressable (= 2.3.4)
-  asset_sync (= 0.5.4)
+  addressable (= 2.3.5)
+  asset_sync (= 1.0.0)
   bootstrap-sass (= 2.2.2.0)
   capybara (= 2.1.0)
-  carrierwave (= 0.8.0)
+  carrierwave (= 0.9.0)
   client_side_validations (= 3.2.5)
   compass-rails (= 1.0.3)
   configurate (= 0.0.8)
   cucumber-rails (= 1.3.1)
-  database_cleaner (= 1.0.1)
+  database_cleaner (= 1.1.0)
   devise (= 2.1.3)
   factory_girl_rails (= 4.2.1)
-  faraday (= 0.8.7)
+  faraday (= 0.8.8)
   faraday_middleware (= 0.9.0)
-  fixture_builder (= 0.3.5)
-  fog (= 1.12.1)
-  foreigner (= 1.4.1)
+  fixture_builder (= 0.3.6)
+  fog (= 1.14.0)
+  foreigner (= 1.4.2)
   foreman (= 0.62)
   fuubar (= 1.1.1)
   gon (= 4.1.1)
   guard-cucumber (= 1.4.0)
-  guard-rspec (= 3.0.1)
-  guard-spork (= 1.5.0)
+  guard-rspec (= 3.0.2)
+  guard-spork (= 1.5.1)
   haml (= 4.0.3)
   handlebars_assets (= 0.12.0)
   http_accept_language (= 1.0.2)
@@ -449,12 +454,12 @@ DEPENDENCIES
   messagebus_ruby_api (= 1.0.3)
   mini_magick (= 3.6.0)
   mobile-fu (= 1.2.1)
-  mysql2 (= 0.3.11)
-  nokogiri (= 1.5.9)
+  mysql2 (= 0.3.13)
+  nokogiri (= 1.6.0)
   omniauth (= 1.1.4)
   omniauth-facebook (= 1.4.1)
   omniauth-tumblr (= 1.1)
-  omniauth-twitter (= 0.0.16)
+  omniauth-twitter (= 1.0.0)
   rack-cors (= 0.2.8)
   rack-google-analytics (= 0.11.0)
   rack-piwik (= 0.2.2)
@@ -462,13 +467,13 @@ DEPENDENCIES
   rack-rewrite (= 1.3.3)
   rack-ssl (= 1.3.3)
   rails (= 3.2.13)
-  rails-i18n (= 0.7.3)
+  rails-i18n (= 0.7.4)
   rails_admin (= 0.4.9)
   rails_autolink (= 1.1.0)
   rb-fsevent (= 0.9.3)
   rb-inotify (= 0.9.0)
-  redcarpet (= 2.3.0)
-  remotipart (= 1.0.5)
+  redcarpet (= 3.0.0)
+  remotipart (= 1.2.1)
   rmagick (= 2.13.2)
   roxml (= 3.1.6)
   rspec-instafail (= 0.2.4)
@@ -478,13 +483,13 @@ DEPENDENCIES
   selenium-webdriver (= 2.33.0)
   sidekiq (= 2.11.1)
   sinatra (= 1.3.3)
-  sinon-rails (= 1.4.2.1)
+  sinon-rails (= 1.7.3)
   slim (= 1.3.9)
   spork (= 1.0.0rc3)
   timecop (= 0.6.1)
-  twitter (= 4.7.0)
+  twitter (= 4.8.1)
   typhoeus (= 0.6.3)
-  uglifier (= 2.1.1)
-  unicorn (= 4.6.2)
-  webmock (= 1.11.0)
+  uglifier (= 2.1.2)
+  unicorn (= 4.6.3)
+  webmock (= 1.13.0)
   will_paginate (= 3.0.4)