Remove redgreen gem, update kaminari

Author: jasonbosco

Gemfile

@@ -21,7 +21,6 @@ group :test do
   gem 'jdbc-sqlite3', :platform => :jruby
   gem 'activerecord-jdbc-adapter', :platform => :jruby
   gem 'activerecord-jdbcsqlite3-adapter', :platform => :jruby
-  gem 'redgreen'
 
   sequel_version = ENV['SEQUEL_VERSION'] ? "~> #{ENV['SEQUEL_VERSION']}" : '>= 4.0'
   gem 'sequel', sequel_version