Merge pull request rails#6528 from frodsan/update_hash_syntax_gemfile_template

update Gemfile template to 1.9 hash syntax

Author: josevalim

railties/lib/rails/generators/rails/app/templates/Gemfile

@@ -19,7 +19,7 @@ source 'https://rubygems.org'
 # gem 'unicorn'
 
 # Deploy with Capistrano
-# gem 'capistrano', :group => :development
+# gem 'capistrano', group: :development
 
 # To use debugger
 # gem 'debugger'