diff --git a/Gemfile.lock b/Gemfile.lock
index 54939cf1..adf367d7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -5,7 +5,6 @@ PATH
       bootstrap-sass (~> 3.1.1.0)
       cancan (~> 1.6.10)
       coffee-rails (>= 4.0, < 4.2)
-      font-awesome-rails (~> 3.2.1.3)
       inherited_resources (~> 1.4.1)
       kaminari (~> 0.15.1)
       rails (>= 4.0, < 4.2)
@@ -15,27 +14,27 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    actionmailer (4.1.1)
-      actionpack (= 4.1.1)
-      actionview (= 4.1.1)
-      mail (~> 2.5.4)
-    actionpack (4.1.1)
-      actionview (= 4.1.1)
-      activesupport (= 4.1.1)
+    actionmailer (4.1.7)
+      actionpack (= 4.1.7)
+      actionview (= 4.1.7)
+      mail (~> 2.5, >= 2.5.4)
+    actionpack (4.1.7)
+      actionview (= 4.1.7)
+      activesupport (= 4.1.7)
       rack (~> 1.5.2)
       rack-test (~> 0.6.2)
-    actionview (4.1.1)
-      activesupport (= 4.1.1)
+    actionview (4.1.7)
+      activesupport (= 4.1.7)
       builder (~> 3.1)
       erubis (~> 2.7.0)
-    activemodel (4.1.1)
-      activesupport (= 4.1.1)
+    activemodel (4.1.7)
+      activesupport (= 4.1.7)
       builder (~> 3.1)
-    activerecord (4.1.1)
-      activemodel (= 4.1.1)
-      activesupport (= 4.1.1)
+    activerecord (4.1.7)
+      activemodel (= 4.1.7)
+      activesupport (= 4.1.7)
       arel (~> 5.0.0)
-    activesupport (4.1.1)
+    activesupport (4.1.7)
       i18n (~> 0.6, >= 0.6.9)
       json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
@@ -46,22 +45,20 @@ GEM
       sass (~> 3.2)
     builder (3.2.2)
     cancan (1.6.10)
-    coffee-rails (4.0.1)
+    coffee-rails (4.1.0)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0, < 5.0)
-    coffee-script (2.2.0)
+    coffee-script (2.3.0)
       coffee-script-source
       execjs
-    coffee-script-source (1.7.0)
+    coffee-script-source (1.8.0)
     erubis (2.7.0)
-    execjs (2.1.0)
-    font-awesome-rails (3.2.1.3)
-      railties (>= 3.2, < 5.0)
+    execjs (2.2.2)
     has_scope (0.6.0.rc)
       actionpack (>= 3.2, < 5)
       activesupport (>= 3.2, < 5)
     hike (1.2.3)
-    i18n (0.6.9)
+    i18n (0.6.11)
     inherited_resources (1.4.1)
       has_scope (~> 0.6.0.rc)
       responders (~> 1.0.0.rc)
@@ -69,60 +66,55 @@ GEM
     kaminari (0.15.1)
       actionpack (>= 3.0.0)
       activesupport (>= 3.0.0)
-    mail (2.5.4)
-      mime-types (~> 1.16)
-      treetop (~> 1.4.8)
-    mime-types (1.25.1)
-    minitest (5.3.4)
+    mail (2.6.3)
+      mime-types (>= 1.16, < 3)
+    mime-types (2.4.3)
+    minitest (5.4.2)
     multi_json (1.10.1)
-    polyglot (0.3.5)
     rack (1.5.2)
     rack-test (0.6.2)
       rack (>= 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)
+    rails (4.1.7)
+      actionmailer (= 4.1.7)
+      actionpack (= 4.1.7)
+      actionview (= 4.1.7)
+      activemodel (= 4.1.7)
+      activerecord (= 4.1.7)
+      activesupport (= 4.1.7)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 4.1.1)
+      railties (= 4.1.7)
       sprockets-rails (~> 2.0)
-    railties (4.1.1)
-      actionpack (= 4.1.1)
-      activesupport (= 4.1.1)
+    railties (4.1.7)
+      actionpack (= 4.1.7)
+      activesupport (= 4.1.7)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rake (10.3.2)
     responders (1.0.0)
       railties (>= 3.2, < 5)
     sass (3.2.19)
-    sass-rails (4.0.3)
+    sass-rails (4.0.4)
       railties (>= 4.0.0, < 5.0)
-      sass (~> 3.2.0)
-      sprockets (~> 2.8, <= 2.11.0)
+      sass (~> 3.2.2)
+      sprockets (~> 2.8, < 2.12)
       sprockets-rails (~> 2.0)
     simple_form (3.0.2)
       actionpack (~> 4.0)
       activemodel (~> 4.0)
-    sprockets (2.11.0)
+    sprockets (2.11.3)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
-    sprockets-rails (2.1.3)
+    sprockets-rails (2.2.0)
       actionpack (>= 3.0)
       activesupport (>= 3.0)
-      sprockets (~> 2.8)
+      sprockets (>= 2.8, < 4.0)
     sqlite3 (1.3.8)
     thor (0.19.1)
     thread_safe (0.3.4)
     tilt (1.4.1)
-    treetop (1.4.15)
-      polyglot
-      polyglot (>= 0.3.1)
-    tzinfo (1.2.1)
+    tzinfo (1.2.2)
       thread_safe (~> 0.1)
 
 PLATFORMS