Update dependencies

Author: mattcone

Gemfile.lock

@@ -94,7 +94,7 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)
-    rexml (3.3.7)
+    rexml (3.3.8)
     rouge (3.30.0)
     ruby-rc4 (0.1.5)
     safe_yaml (1.0.5)