update Gemfile

Gemfile.lock

@@ -1,8 +1,8 @@
 GIT
   remote: https://github.com/cucumber/aruba
-  revision: 7afbc5c0cbae9c9a946d70c4c2735ccb86e00f08
+  revision: 99d8e6a5992af17b014783e775409bc3fd422273
   specs:
-    aruba (0.5.3)
+    aruba (0.5.4)
       childprocess (>= 0.3.6)
       cucumber (>= 1.1.1)
       rspec-expectations (>= 2.7.0)
@@ -18,7 +18,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     RedCloth (4.2.9)
-    aasm (3.0.25)
+    aasm (3.0.26)
     actionmailer (4.0.2)
       actionpack (= 4.0.2)
       mail (~> 2.5.4)
@@ -61,9 +61,9 @@ GEM
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
-    childprocess (0.3.9)
+    childprocess (0.4.0)
       ffi (~> 1.0, >= 1.0.11)
-    codeclimate-test-reporter (0.2.0)
+    codeclimate-test-reporter (0.3.0)
       simplecov (>= 0.7.1, < 1.0.0)
     coffee-rails (4.0.1)
       coffee-script (>= 2.2.0)
@@ -85,7 +85,7 @@ GEM
       rails (>= 3.0.0)
     database_cleaner (1.2.0)
     diff-lcs (1.2.5)
-    docile (1.1.1)
+    docile (1.1.2)
     erubis (2.7.0)
     execjs (2.0.2)
     factory_girl (4.3.0)
@@ -107,15 +107,15 @@ GEM
     mail (2.5.4)
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
-    metaclass (0.0.1)
+    metaclass (0.0.2)
     mime-types (1.25.1)
     mini_portile (0.5.2)
     minitest (4.7.5)
-    mocha (0.14.0)
+    mocha (1.0.0)
       metaclass (~> 0.0.1)
-    multi_json (1.8.2)
+    multi_json (1.8.4)
     multi_test (0.0.3)
-    mysql2 (0.3.14)
+    mysql2 (0.3.15)
     nokogiri (1.6.1)
       mini_portile (~> 0.5.0)
     polyglot (0.3.3)
@@ -147,9 +147,9 @@ GEM
       diff-lcs (>= 1.1.3, < 2.0)
     rubyzip (1.1.0)
     safe_yaml (0.9.7)
-    sanitize (2.0.6)
+    sanitize (2.1.0)
       nokogiri (>= 1.4.4)
-    sass (3.2.13)
+    sass (3.2.14)
     sass-rails (4.0.1)
       railties (>= 4.0.0, < 5.0)
       sass (>= 3.1.10)