dependency update

Gemfile.lock

@@ -186,10 +186,8 @@ GEM
       rdoc (~> 3.4)
       thor (>= 0.14.6, < 2.0)
     rake (10.0.2)
-    rb-fsevent (0.9.2)
     rdoc (3.12)
       json (~> 1.4)
-    ref (1.0.2)
     rest-client (1.6.7)
       mime-types (>= 1.16)
     rqrcode (0.4.2)
@@ -241,8 +239,6 @@ GEM
       rspec-rails (>= 2.5.0)
     subexec (0.2.2)
     temple (0.5.5)
-    therubyracer (0.11.0)
-      ref
     thin (1.5.0)
       daemons (>= 1.0.9)
       eventmachine (>= 0.12.6)
@@ -289,7 +285,6 @@ DEPENDENCIES
   pry-remote
   rack-cors
   rails (= 3.2.9)
-  rb-fsevent
   rqrcode
   rspec-rails
   sass-rails (~> 3.2.3)
@@ -297,7 +292,6 @@ DEPENDENCIES
   simply_stored!
   slim-rails
   steak
-  therubyracer
   thin
   twitter-bootstrap-rails
   uglifier (>= 1.0.3)