Bump carrierwave

Gemfile

@@ -77,7 +77,7 @@ gem "activerecord-import", "1.0.1"
 
 # File uploading
 
-gem "carrierwave", "1.2.3"
+gem "carrierwave", "1.3.1"
 gem "fog-aws",     "3.3.0"
 gem "mini_magick", "4.9.2"
 

Gemfile.lock

@@ -81,7 +81,7 @@ GEM
       rack-test (>= 0.6.3)
       regexp_parser (~> 1.2)
       xpath (~> 3.2)
-    carrierwave (1.2.3)
+    carrierwave (1.3.1)
       activemodel (>= 4.0.0)
       activesupport (>= 4.0.0)
       mime-types (>= 1.16)
@@ -777,7 +777,7 @@ DEPENDENCIES
   bootstrap-sass (= 3.4.1)
   bootstrap-switch-rails (= 3.3.3)
   capybara (= 3.11.1)
-  carrierwave (= 1.2.3)
+  carrierwave (= 1.3.1)
   compass-rails (= 3.1.0)
   configurate (= 0.3.1)
   coveralls (= 0.8.22)