Update bundled gems

Gemfile.lock

@@ -35,13 +35,13 @@ GEM
       tzinfo (~> 0.3.37)
     arel (4.0.0)
     atomic (1.1.13)
-    bootstrap-sass (2.3.2.1)
+    bootstrap-sass (2.3.2.2)
       sass (~> 3.2)
     builder (3.1.4)
     coderay (1.0.9)
     diff-lcs (1.2.4)
     erubis (2.7.0)
-    execjs (2.0.0)
+    execjs (2.0.1)
     foreigner (1.4.2)
       activerecord (>= 3.0.0)
     foreigner-matcher (0.2.3)
@@ -60,7 +60,7 @@ GEM
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     method_source (0.8.2)
-    mime-types (1.24)
+    mime-types (1.25)
     minitest (4.7.5)
     multi_json (1.7.9)
     pg (0.16.0)
@@ -88,7 +88,7 @@ GEM
       rails_serve_static_assets
       rails_stdout_logging
     rails_serve_static_assets (0.0.1)
-    rails_stdout_logging (0.0.1)
+    rails_stdout_logging (0.0.2)
     railties (4.0.0)
       actionpack (= 4.0.0)
       activesupport (= 4.0.0)
@@ -131,7 +131,7 @@ GEM
       polyglot
       polyglot (>= 0.3.1)
     tzinfo (0.3.37)
-    uglifier (2.1.2)
+    uglifier (2.2.1)
       execjs (>= 0.3.0)
       multi_json (~> 1.0, >= 1.0.2)