diff --git a/Gemfile.lock b/Gemfile.lock
index a63c84e4..73c293cd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,29 +8,29 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    actionmailer (4.1.8)
-      actionpack (= 4.1.8)
-      actionview (= 4.1.8)
+    actionmailer (4.1.14)
+      actionpack (= 4.1.14)
+      actionview (= 4.1.14)
       mail (~> 2.5, >= 2.5.4)
-    actionpack (4.1.8)
-      actionview (= 4.1.8)
-      activesupport (= 4.1.8)
+    actionpack (4.1.14)
+      actionview (= 4.1.14)
+      activesupport (= 4.1.14)
       rack (~> 1.5.2)
       rack-test (~> 0.6.2)
-    actionview (4.1.8)
-      activesupport (= 4.1.8)
+    actionview (4.1.14)
+      activesupport (= 4.1.14)
       builder (~> 3.1)
       erubis (~> 2.7.0)
     active_model_serializers (0.8.1)
       activemodel (>= 3.0)
-    activemodel (4.1.8)
-      activesupport (= 4.1.8)
+    activemodel (4.1.14)
+      activesupport (= 4.1.14)
       builder (~> 3.1)
-    activerecord (4.1.8)
-      activemodel (= 4.1.8)
-      activesupport (= 4.1.8)
+    activerecord (4.1.14)
+      activemodel (= 4.1.14)
+      activesupport (= 4.1.14)
       arel (~> 5.0.0)
-    activesupport (4.1.8)
+    activesupport (4.1.14)
       i18n (~> 0.6, >= 0.6.9)
       json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
@@ -98,7 +98,7 @@ GEM
     climate_control (0.0.3)
       activesupport (>= 3.0)
     cliver (0.3.2)
-    cocaine (0.5.4)
+    cocaine (0.5.8)
       climate_control (>= 0.0.3, < 1.0)
     cocoon (1.2.6)
     coderay (1.1.0)
@@ -186,10 +186,10 @@ GEM
     jquery-datatables-rails (2.2.3)
       jquery-rails
       sass-rails
-    jquery-rails (3.1.2)
+    jquery-rails (3.1.4)
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.1)
+    json (1.8.3)
     jwt (1.0.0)
     launchy (2.4.2)
       addressable (~> 2.3)
@@ -206,12 +206,13 @@ GEM
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
     method_source (0.8.2)
-    mime-types (2.4.3)
+    mime-types (2.99)
+    mimemagic (0.3.0)
     mina (0.3.0)
       open4
       rake
     mini_portile (0.6.0)
-    minitest (5.4.3)
+    minitest (5.8.3)
     momentjs-rails (2.8.1)
       railties (>= 3.1)
     monetize (0.3.0)
@@ -223,7 +224,7 @@ GEM
       monetize (~> 0.3.0)
       money (~> 6.1.1)
       railties (>= 3.0)
-    multi_json (1.10.1)
+    multi_json (1.11.2)
     multi_xml (0.5.5)
     multipart-post (2.0.0)
     mysql2 (0.3.16)
@@ -261,11 +262,12 @@ GEM
     paper_trail (3.0.1)
       activerecord (>= 3.0, < 5.0)
       activesupport (>= 3.0, < 5.0)
-    paperclip (4.1.1)
-      activemodel (>= 3.0.0)
-      activesupport (>= 3.0.0)
-      cocaine (~> 0.5.3)
+    paperclip (4.3.2)
+      activemodel (>= 3.2.0)
+      activesupport (>= 3.2.0)
+      cocaine (~> 0.5.5)
       mime-types
+      mimemagic (= 0.3.0)
     parser (2.2.0.pre.3)
       ast (>= 1.1, < 3.0)
       slop (~> 3.4, >= 3.4.5)
@@ -293,31 +295,31 @@ GEM
       slop (~> 3.4)
     quiet_assets (1.0.2)
       railties (>= 3.1, < 5.0)
-    rack (1.5.2)
+    rack (1.5.5)
     rack-openid (1.3.1)
       rack (>= 1.1.0)
       ruby-openid (>= 2.1.8)
-    rack-test (0.6.2)
+    rack-test (0.6.3)
       rack (>= 1.0)
-    rails (4.1.8)
-      actionmailer (= 4.1.8)
-      actionpack (= 4.1.8)
-      actionview (= 4.1.8)
-      activemodel (= 4.1.8)
-      activerecord (= 4.1.8)
-      activesupport (= 4.1.8)
+    rails (4.1.14)
+      actionmailer (= 4.1.14)
+      actionpack (= 4.1.14)
+      actionview (= 4.1.14)
+      activemodel (= 4.1.14)
+      activerecord (= 4.1.14)
+      activesupport (= 4.1.14)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 4.1.8)
+      railties (= 4.1.14)
       sprockets-rails (~> 2.0)
     rails-observers (0.1.2)
       activemodel (~> 4.0)
-    railties (4.1.8)
-      actionpack (= 4.1.8)
-      activesupport (= 4.1.8)
+    railties (4.1.14)
+      actionpack (= 4.1.14)
+      activesupport (= 4.1.14)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rainbow (2.0.0)
-    rake (10.3.2)
+    rake (10.4.2)
     rb-fsevent (0.9.4)
     rb-inotify (0.9.4)
       ffi (>= 0.5.0)
@@ -390,7 +392,7 @@ GEM
       multi_json (~> 1.0)
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
-    sprockets-rails (2.2.0)
+    sprockets-rails (2.3.3)
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       sprockets (>= 2.8, < 4.0)
@@ -398,7 +400,7 @@ GEM
     term-ansicolor (1.3.0)
       tins (~> 1.0)
     thor (0.19.1)
-    thread_safe (0.3.4)
+    thread_safe (0.3.5)
     tilt (1.4.1)
     timecop (0.7.1)
     timers (1.1.0)
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index df6bedff..49fdc6fa 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -1,6 +1,6 @@
 class ApplicationController < ActionController::Base
   include ApplicationHelper
-  protect_from_forgery
+  protect_from_forgery with: :exception
   before_filter :get_conferences
   before_filter :store_location
   helper_method :date_string