diff --git a/Gemfile.lock b/Gemfile.lock
index 99d1624bc7df6df9d75c0894b05d5f6870aa6cd3..f847c98aea30d6648c368792ad9d2dfaf237ac1d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,7 @@ GIT
 
 GIT
   remote: git://github.com/activerecord-hackery/ransack.git
-  revision: 2b142d9e78afe299a64cfa6921245f478c5c01c7
+  revision: a4b7be58eb6d6dcff5082d7c945f3d08fe4ec263
   branch: rails-4.1
   specs:
     ransack (1.2.4)
@@ -26,25 +26,24 @@ GIT
 
 GIT
   remote: git://github.com/gregbell/active_admin.git
-  revision: 5d1bbbb136280d305bf79da82ab5c986b2979325
+  revision: ad33a0f6c772e74a23232baa7db0b3db2fe19db2
   specs:
     activeadmin (1.0.0.pre)
       arbre (~> 1.0)
       bourbon
       coffee-rails
-      devise (~> 3.2)
       formtastic (~> 2.3.0.rc3)
       inherited_resources (~> 1.3)
       jquery-rails
       jquery-ui-rails
       kaminari (~> 0.15)
-      rails (>= 3.2, <= 4.1)
+      rails (>= 3.2, < 4.2)
       ransack (~> 1.0)
       sass-rails
 
 GIT
   remote: git://github.com/justinfrench/formtastic.git
-  revision: 16a528a37d84f6c51ddbf196597e9472abc4e255
+  revision: 1bdf6d3642af52a1a62902f12b844a5856d0254e
   specs:
     formtastic (2.3.0.rc3)
       actionpack (>= 3.2.13)
@@ -59,27 +58,27 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    actionmailer (4.1.0)
-      actionpack (= 4.1.0)
-      actionview (= 4.1.0)
+    actionmailer (4.1.1)
+      actionpack (= 4.1.1)
+      actionview (= 4.1.1)
       mail (~> 2.5.4)
-    actionpack (4.1.0)
-      actionview (= 4.1.0)
-      activesupport (= 4.1.0)
+    actionpack (4.1.1)
+      actionview (= 4.1.1)
+      activesupport (= 4.1.1)
       rack (~> 1.5.2)
       rack-test (~> 0.6.2)
-    actionview (4.1.0)
-      activesupport (= 4.1.0)
+    actionview (4.1.1)
+      activesupport (= 4.1.1)
       builder (~> 3.1)
       erubis (~> 2.7.0)
-    activemodel (4.1.0)
-      activesupport (= 4.1.0)
+    activemodel (4.1.1)
+      activesupport (= 4.1.1)
       builder (~> 3.1)
-    activerecord (4.1.0)
-      activemodel (= 4.1.0)
-      activesupport (= 4.1.0)
+    activerecord (4.1.1)
+      activemodel (= 4.1.1)
+      activesupport (= 4.1.1)
       arel (~> 5.0.0)
-    activesupport (4.1.0)
+    activesupport (4.1.1)
       i18n (~> 0.6, >= 0.6.9)
       json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
@@ -88,7 +87,6 @@ GEM
     arbre (1.0.1)
       activesupport (>= 3.0.0)
     arel (5.0.1.20140414130214)
-    bcrypt (3.1.7)
     bourbon (3.2.1)
       sass (~> 3.2)
       thor
@@ -114,12 +112,6 @@ GEM
     compass-rails (1.1.7)
       compass (>= 0.12.2)
       sprockets (<= 2.11.0)
-    devise (3.2.4)
-      bcrypt (~> 3.0)
-      orm_adapter (~> 0.1)
-      railties (>= 3.2.6, < 5)
-      thread_safe (~> 0.1)
-      warden (~> 1.2.3)
     devise-i18n (0.10.3)
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
@@ -133,7 +125,7 @@ GEM
     formatador (0.2.4)
     fssm (0.2.10)
     gritter (1.1.0)
-    guard (2.6.0)
+    guard (2.6.1)
       formatador (>= 0.2.4)
       listen (~> 2.7)
       lumberjack (~> 1.0)
@@ -193,12 +185,11 @@ GEM
     mime-types (1.25.1)
     minitest (5.3.3)
     modernizr-rails (2.7.1)
-    multi_json (1.9.3)
+    multi_json (1.10.0)
     mysql2 (0.3.15)
     nio4r (1.0.0)
     openlayers-rails (0.0.4)
       railties (>= 3.1)
-    orm_adapter (0.5.0)
     polyglot (0.3.4)
     pry (0.9.12.6)
       coderay (~> 1.0)
@@ -209,22 +200,22 @@ GEM
     rack (1.5.2)
     rack-test (0.6.2)
       rack (>= 1.0)
-    rails (4.1.0)
-      actionmailer (= 4.1.0)
-      actionpack (= 4.1.0)
-      actionview (= 4.1.0)
-      activemodel (= 4.1.0)
-      activerecord (= 4.1.0)
-      activesupport (= 4.1.0)
+    rails (4.1.1)
+      actionmailer (= 4.1.1)
+      actionpack (= 4.1.1)
+      actionview (= 4.1.1)
+      activemodel (= 4.1.1)
+      activerecord (= 4.1.1)
+      activesupport (= 4.1.1)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 4.1.0)
+      railties (= 4.1.1)
       sprockets-rails (~> 2.0)
     rails-i18n (4.0.2)
       i18n (~> 0.6)
       rails (>= 4.0)
-    railties (4.1.0)
-      actionpack (= 4.1.0)
-      activesupport (= 4.1.0)
+    railties (4.1.1)
+      actionpack (= 4.1.1)
+      activesupport (= 4.1.1)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rake (10.3.1)
@@ -270,8 +261,6 @@ GEM
     uglifier (2.5.0)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
-    warden (1.2.3)
-      rack (>= 1.0)
     webrick (1.3.1)
 
 PLATFORMS
diff --git a/config/initializers/mime_types.rb b/config/initializers/mime_types.rb
index 0db739a39b892932ff07d323c09cb29ce1cf0131..dc1899682b01c3a6d9673faf746e235fb64fc4d2 100644
--- a/config/initializers/mime_types.rb
+++ b/config/initializers/mime_types.rb
@@ -2,6 +2,3 @@
 
 # Add new mime types for use in respond_to blocks:
 # Mime::Type.register "text/richtext", :rtf
-# Mime::Type.register_alias "text/html", :iphone
-
-Mime::Type.register_alias "text/xml", :rss