diff --git a/Gemfile b/Gemfile
index 72031de..a242843 100755
--- a/Gemfile
+++ b/Gemfile
@@ -64,3 +64,7 @@ gem 'minitest', '~> 4.0', :require=> "minitest/autorun"
 
 # To use debugger
 # gem 'debugger'
+
+gem 'execjs'
+gem 'therubyracer'
+
diff --git a/Gemfile.lock b/Gemfile.lock
index e82bd83..47b8772 100755
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -116,6 +116,7 @@ GEM
       thor (>= 0.14, < 2.0)
     json (1.7.7)
     kgio (2.8.0)
+    libv8 (3.16.14.3)
     listen (0.7.3)
     lumberjack (1.0.3)
     mail (2.5.3)
@@ -163,6 +164,7 @@ GEM
     rb-fsevent (0.9.3)
     rdoc (3.12.2)
       json (~> 1.4)
+    ref (1.0.5)
     rspec (2.14.1)
       rspec-core (~> 2.14.0)
       rspec-expectations (~> 2.14.0)
@@ -201,6 +203,9 @@ GEM
     sqlite3 (1.3.7)
     temple (0.6.3)
     terminal-table (1.4.5)
+    therubyracer (0.12.0)
+      libv8 (~> 3.16.14.0)
+      ref
     thor (0.18.1)
     tilt (1.3.7)
     travis-lint (1.7.0)
@@ -227,6 +232,7 @@ DEPENDENCIES
   brakeman
   bundler-audit
   coffee-rails (~> 3.2.1)
+  execjs
   foreman
   gauntlt
   guard-brakeman
@@ -243,6 +249,7 @@ DEPENDENCIES
   rspec-rails
   sass-rails (~> 3.2.3)
   sqlite3
+  therubyracer
   travis-lint
   uglifier (>= 1.0.3)
   unicorn
diff --git a/Gemfile.lock.orig b/Gemfile.lock.orig
new file mode 100755
index 0000000..47b8772
--- /dev/null
+++ b/Gemfile.lock.orig
@@ -0,0 +1,255 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    actionmailer (3.2.13)
+      actionpack (= 3.2.13)
+      mail (~> 2.5.3)
+    actionpack (3.2.13)
+      activemodel (= 3.2.13)
+      activesupport (= 3.2.13)
+      builder (~> 3.0.0)
+      erubis (~> 2.7.0)
+      journey (~> 1.0.4)
+      rack (~> 1.4.5)
+      rack-cache (~> 1.2)
+      rack-test (~> 0.6.1)
+      sprockets (~> 2.2.1)
+    activemodel (3.2.13)
+      activesupport (= 3.2.13)
+      builder (~> 3.0.0)
+    activerecord (3.2.13)
+      activemodel (= 3.2.13)
+      activesupport (= 3.2.13)
+      arel (~> 3.0.2)
+      tzinfo (~> 0.3.29)
+    activeresource (3.2.13)
+      activemodel (= 3.2.13)
+      activesupport (= 3.2.13)
+    activesupport (3.2.13)
+      i18n (= 0.6.1)
+      multi_json (~> 1.0)
+    arel (3.0.2)
+    aruba (0.5.3)
+      childprocess (>= 0.3.6)
+      cucumber (>= 1.1.1)
+      rspec-expectations (>= 2.7.0)
+    bcrypt-ruby (3.0.1)
+    brakeman (1.9.5)
+      erubis (~> 2.6)
+      fastercsv (~> 1.5)
+      haml (>= 3.0, < 5.0)
+      highline (~> 1.6)
+      multi_json (~> 1.2)
+      ruby2ruby (= 2.0.3)
+      ruby_parser (~> 3.1.1)
+      sass (~> 3.0)
+      slim (~> 1.3.6)
+      terminal-table (~> 1.4)
+    builder (3.0.4)
+    bundler-audit (0.1.2)
+      bundler (~> 1.2)
+    childprocess (0.3.9)
+      ffi (~> 1.0, >= 1.0.11)
+    coderay (1.0.9)
+    coffee-rails (3.2.2)
+      coffee-script (>= 2.2.0)
+      railties (~> 3.2.0)
+    coffee-script (2.2.0)
+      coffee-script-source
+      execjs
+    coffee-script-source (1.6.2)
+    cucumber (1.3.2)
+      builder (>= 2.1.2)
+      diff-lcs (>= 1.1.3)
+      gherkin (~> 2.12.0)
+      multi_json (~> 1.3)
+    diff-lcs (1.2.4)
+    em-websocket (0.5.0)
+      eventmachine (>= 0.12.9)
+      http_parser.rb (~> 0.5.3)
+    erubis (2.7.0)
+    eventmachine (1.0.3)
+    execjs (1.4.0)
+      multi_json (~> 1.0)
+    fastercsv (1.5.5)
+    ffi (1.9.0)
+    foreman (0.62.0)
+      thor (>= 0.13.6)
+    formatador (0.2.4)
+    gauntlt (1.0.5)
+      cucumber
+      nokogiri (~> 1.5.0)
+      trollop
+    gherkin (2.12.0)
+      multi_json (~> 1.3)
+    guard (1.7.0)
+      formatador (>= 0.2.4)
+      listen (>= 0.6.0)
+      lumberjack (>= 1.0.2)
+      pry (>= 0.9.10)
+      thor (>= 0.14.6)
+    guard-brakeman (0.6.3)
+      brakeman (>= 1.8.2)
+      guard (>= 1.1.0)
+    guard-livereload (1.3.0)
+      em-websocket (>= 0.2.0)
+      guard (>= 1.5.0)
+      multi_json (~> 1.0)
+    guard-rspec (2.5.4)
+      guard (>= 1.1)
+      rspec (~> 2.11)
+    guard-shell (0.5.1)
+      guard (>= 1.1.0)
+    haml (4.0.2)
+      tilt
+    hashr (0.0.22)
+    highline (1.6.16)
+    hike (1.2.2)
+    http_parser.rb (0.5.3)
+    i18n (0.6.1)
+    journey (1.0.4)
+    jquery-fileupload-rails (0.4.1)
+      actionpack (>= 3.1)
+      railties (>= 3.1)
+    jquery-rails (3.0.1)
+      railties (>= 3.0, < 5.0)
+      thor (>= 0.14, < 2.0)
+    json (1.7.7)
+    kgio (2.8.0)
+    libv8 (3.16.14.3)
+    listen (0.7.3)
+    lumberjack (1.0.3)
+    mail (2.5.3)
+      i18n (>= 0.4.0)
+      mime-types (~> 1.16)
+      treetop (~> 1.4.8)
+    method_source (0.8.1)
+    mime-types (1.22)
+    minitest (4.7.5)
+    multi_json (1.7.2)
+    nokogiri (1.5.10)
+    polyglot (0.3.3)
+    powder (0.2.0)
+      thor (>= 0.11.5)
+    pry (0.9.12)
+      coderay (~> 1.0.5)
+      method_source (~> 0.8)
+      slop (~> 3.4)
+    rack (1.4.5)
+    rack-cache (1.2)
+      rack (>= 0.4)
+    rack-livereload (0.3.15)
+      rack
+    rack-ssl (1.3.3)
+      rack
+    rack-test (0.6.2)
+      rack (>= 1.0)
+    rails (3.2.13)
+      actionmailer (= 3.2.13)
+      actionpack (= 3.2.13)
+      activerecord (= 3.2.13)
+      activeresource (= 3.2.13)
+      activesupport (= 3.2.13)
+      bundler (~> 1.0)
+      railties (= 3.2.13)
+    railties (3.2.13)
+      actionpack (= 3.2.13)
+      activesupport (= 3.2.13)
+      rack-ssl (~> 1.3.2)
+      rake (>= 0.8.7)
+      rdoc (~> 3.4)
+      thor (>= 0.14.6, < 2.0)
+    raindrops (0.10.0)
+    rake (10.0.4)
+    rb-fsevent (0.9.3)
+    rdoc (3.12.2)
+      json (~> 1.4)
+    ref (1.0.5)
+    rspec (2.14.1)
+      rspec-core (~> 2.14.0)
+      rspec-expectations (~> 2.14.0)
+      rspec-mocks (~> 2.14.0)
+    rspec-core (2.14.2)
+    rspec-expectations (2.14.0)
+      diff-lcs (>= 1.1.3, < 2.0)
+    rspec-mocks (2.14.1)
+    rspec-rails (2.14.0)
+      actionpack (>= 3.0)
+      activesupport (>= 3.0)
+      railties (>= 3.0)
+      rspec-core (~> 2.14.0)
+      rspec-expectations (~> 2.14.0)
+      rspec-mocks (~> 2.14.0)
+    ruby2ruby (2.0.3)
+      ruby_parser (~> 3.1)
+      sexp_processor (~> 4.0)
+    ruby_parser (3.1.3)
+      sexp_processor (~> 4.1)
+    sass (3.2.7)
+    sass-rails (3.2.6)
+      railties (~> 3.2.0)
+      sass (>= 3.1.10)
+      tilt (~> 1.3)
+    sexp_processor (4.2.1)
+    slim (1.3.8)
+      temple (~> 0.6.3)
+      tilt (~> 1.3.3)
+    slop (3.4.4)
+    sprockets (2.2.2)
+      hike (~> 1.2)
+      multi_json (~> 1.0)
+      rack (~> 1.0)
+      tilt (~> 1.1, != 1.3.0)
+    sqlite3 (1.3.7)
+    temple (0.6.3)
+    terminal-table (1.4.5)
+    therubyracer (0.12.0)
+      libv8 (~> 3.16.14.0)
+      ref
+    thor (0.18.1)
+    tilt (1.3.7)
+    travis-lint (1.7.0)
+      hashr (~> 0.0.22)
+    treetop (1.4.12)
+      polyglot
+      polyglot (>= 0.3.1)
+    trollop (2.0)
+    tzinfo (0.3.37)
+    uglifier (2.0.1)
+      execjs (>= 0.3.0)
+      multi_json (~> 1.0, >= 1.0.2)
+    unicorn (4.6.2)
+      kgio (~> 2.6)
+      rack
+      raindrops (~> 0.7)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  aruba
+  bcrypt-ruby
+  brakeman
+  bundler-audit
+  coffee-rails (~> 3.2.1)
+  execjs
+  foreman
+  gauntlt
+  guard-brakeman
+  guard-livereload
+  guard-rspec
+  guard-shell
+  jquery-fileupload-rails
+  jquery-rails
+  minitest (~> 4.0)
+  powder
+  rack-livereload
+  rails (= 3.2.13)
+  rb-fsevent
+  rspec-rails
+  sass-rails (~> 3.2.3)
+  sqlite3
+  therubyracer
+  travis-lint
+  uglifier (>= 1.0.3)
+  unicorn