Whitespace fixes in Gemfile

.rubocop.yml

@@ -8,6 +8,11 @@ AllCops:
     - 'db/schema.rb'
     - 'vendor/**/*'
 
+Style/FileName:
+  Exclude:
+    - 'Gemfile'
+    - 'Gemfile.lock'
+
 Style/StringLiterals:
   Enabled: false
 

Gemfile

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 source 'https://rubygems.org'
 
 ruby '2.3.1'
@@ -14,11 +15,11 @@ gem 'haml'
 gem 'bootstrap-sass', '~> 3.3.6'
 gem 'font-awesome-sass'
 
-gem 'uglifier', '~> 2.7.2'         # JavaScript compressor
+gem 'uglifier', '~> 2.7.2' # JavaScript compressor
 
 gem 'jquery-rails'
 gem 'jquery-ui-rails', '~> 5.0.2'
-gem 'js-routes'  # provides access to Rails routes in Javascript
+gem 'js-routes' # provides access to Rails routes in Javascript
 gem 'flickraw'
 
 gem 'leaflet-rails'
@@ -68,7 +69,7 @@ gem 'omniauth-flickr', '>= 0.0.15'
 gem 'omniauth-facebook'
 
 # client for Elasticsearch. Elasticsearch is a flexible
-# and powerful, distributed, real-time search and analytics engine. 
+# and powerful, distributed, real-time search and analytics engine.
 # An example of the use in the project is fuzzy crop search.
 gem "elasticsearch-model"
 gem "elasticsearch-rails"
@@ -80,7 +81,7 @@ group :production, :staging do
   gem 'dalli'
   gem 'memcachier'
   gem 'rails_12factor' # supresses heroku plugin injection
-  gem 'bonsai-elasticsearch-rails'  # Integration with Bonsa-Elasticsearch on heroku
+  gem 'bonsai-elasticsearch-rails' # Integration with Bonsa-Elasticsearch on heroku
   gem 'sparkpost_rails'
 end