added app argument to rake task
Merge pull request #75 from danarnold/master

Passing App Argument to Rake Task
Move `tasks.rb` under `rails_config` folder to be more compliant with standard gem layout
Enforce ruby version for correct gemset setting
Access RubyGems using https
Additional tests to prevent errors described in #61: Settings not defined before rake db:test:prepepare
Upgrade Rails 3.2.17 to 3.2.18
Bump to 0.4.2
Merge remote-tracking branch 'upstream/master'