fix rubocop

Rakefile

@@ -14,11 +14,6 @@ RDoc::Task.new(:rdoc) do |rdoc|
   rdoc.rdoc_files.include('lib/**/*.rb')
 end
 
-
-
 load 'rails/tasks/statistics.rake'
 
-
-
 Bundler::GemHelper.install_tasks
-

lib/rails_admin_rollincode.rb

@@ -1,4 +1,4 @@
-require "rails_admin_rollincode/engine"
+require 'rails_admin_rollincode/engine'
 
 module RailsAdminRollincode
 end

lib/rails_admin_rollincode/version.rb

@@ -1,3 +1,3 @@
 module RailsAdminRollincode
-  VERSION = "1.1"
+  VERSION = '1.2'
 end

rails_admin_rollincode.gemspec

@@ -1,19 +1,19 @@
-$:.push File.expand_path("../lib", __FILE__)
+$:.push File.expand_path('../lib', __FILE__)
 
 # Maintain your gem's version:
-require "rails_admin_rollincode/version"
+require 'rails_admin_rollincode/version'
 
 # Describe your gem and declare its dependencies:
 Gem::Specification.new do |s|
-  s.name        = "rails_admin_rollincode"
+  s.name        = 'rails_admin_rollincode'
   s.version     = RailsAdminRollincode::VERSION
-  s.authors     = ["KOVACS Nicolas", "VIDEAUD Matthieu"]
-  s.email       = ["pro.nicovak@gmail.com"]
-  s.homepage    = "https://github.com/rollincode/rails_admin_theme"
-  s.summary     = "Rails_Admin theme"
-  s.description = "Rails_Admin theme"
-  s.license     = "MIT"
+  s.authors     = ['KOVACS Nicolas', 'VIDEAUD Matthieu']
+  s.email       = ['pro.nicovak@gmail.com']
+  s.homepage    = 'https://github.com/rollincode/rails_admin_theme'
+  s.summary     = 'Rails_Admin theme'
+  s.description = 'Rails_Admin theme'
+  s.license     = 'MIT'
 
-  s.files = Dir["{lib,vendor}/**/*", "MIT-LICENSE", "Rakefile", "README.rdoc"]
+  s.files = Dir['{lib,vendor}/**/*', 'MIT-LICENSE', 'Rakefile', 'README.rdoc']
   s.add_dependency 'rails', ['>= 4.0', '< 6']
 end