Add RuboCop at Gemfile

Signed-off-by: Marcelo Oliveira <[email protected]>

Gemfile

@@ -67,6 +67,9 @@ gem 'http_accept_language'
 # Routes for JS files
 gem 'js-routes', '~> 1.1.0'
 
+# RuboCop static code analyzer
+gem 'rubocop', '~> 0.48.1', require: false
+
 group :test do
   # Easier test writing
   gem "shoulda-matchers", '~> 2.8.0'

Gemfile.lock

@@ -37,6 +37,7 @@ GEM
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
     arel (6.0.3)
+    ast (2.3.0)
     bcrypt (3.1.10)
     better_errors (2.1.1)
       coderay (>= 1.0.0)
@@ -210,12 +211,15 @@ GEM
       mini_portile (~> 0.6.0)
     ntlm-http (0.1.1)
     orm_adapter (0.5.0)
+    parser (2.4.0.0)
+      ast (~> 2.2)
     pg (0.18.3)
     poltergeist (1.7.0)
       capybara (~> 2.1)
       cliver (~> 0.3.1)
       multi_json (~> 1.0)
       websocket-driver (>= 0.2.0)
+    powerpack (0.1.1)
     rack (1.6.4)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -246,6 +250,8 @@ GEM
       activesupport (= 4.2.4)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
+    rainbow (2.2.2)
+      rake
     rake (10.4.2)
     rdoc (4.2.0)
     ref (2.0.0)
@@ -268,6 +274,13 @@ GEM
       rspec-mocks (~> 3.3.0)
       rspec-support (~> 3.3.0)
     rspec-support (3.3.0)
+    rubocop (0.48.1)
+      parser (>= 2.3.3.1, < 3.0)
+      powerpack (~> 0.1)
+      rainbow (>= 1.99.1, < 3.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (~> 1.0, >= 1.0.1)
+    ruby-progressbar (1.8.1)
     sass (3.4.18)
     sass-rails (5.0.4)
       railties (>= 4.0.0, < 5.0)
@@ -320,6 +333,7 @@ GEM
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.7.1)
+    unicode-display_width (1.2.1)
     warden (1.2.3)
       rack (>= 1.0)
     web-console (2.0.0)
@@ -375,6 +389,7 @@ DEPENDENCIES
   rails-html-sanitizer (~> 1.0)
   railsstrap (~> 3.3.4)
   rspec-rails (~> 3.3.2)
+  rubocop (~> 0.48.1)
   sass-rails (~> 5.0.0)
   sdoc (~> 0.4.0)
   shoulda-matchers (~> 2.8.0)
@@ -390,4 +405,4 @@ DEPENDENCIES
   web-console (~> 2.0.0)
 
 BUNDLED WITH
-   1.11.2
+   1.14.6