Added missing CGI dependency

Author: hsbt

Gemfile

@@ -4,6 +4,7 @@ gem "opal", "~> 1.8.2"
 gem "opal-browser"
 gem "middleman", git: "https://github.com/middleman/middleman.git"
 gem "contracts", ">= 0.17.3"
+gem "cgi"
 gem "middleman-livereload"
 gem "middleman-syntax"
 gem "middleman-blog"

Gemfile.lock

@@ -66,6 +66,7 @@ GEM
       rack-test (>= 0.6.3)
       regexp_parser (>= 1.5, < 3.0)
       xpath (~> 3.2)
+    cgi (0.5.1)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
@@ -259,6 +260,7 @@ PLATFORMS
 
 DEPENDENCIES
   capybara
+  cgi
   contracts (>= 0.17.3)
   cuprite
   middleman!