bump carrierwave

Gemfile

@@ -41,7 +41,7 @@ gem 'foreigner',           '1.4.1'
 
 # File uploading
 
-gem 'carrierwave', '0.8.0'
+gem 'carrierwave', '0.9.0'
 gem 'fog',         '1.12.1'
 gem 'mini_magick', '3.6.0'
 gem 'remotipart',  '1.0.5'

Gemfile.lock

@@ -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)
@@ -419,7 +420,7 @@ DEPENDENCIES
   asset_sync (= 0.5.4)
   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)
@@ -482,7 +483,7 @@ DEPENDENCIES
   slim (= 1.3.9)
   spork (= 1.0.0rc3)
   timecop (= 0.6.1)
-  twitter (= 4.7.0)
+  twitter (= 3.7.0)
   typhoeus (= 0.6.3)
   uglifier (= 2.1.1)
   unicorn (= 4.6.3)