Adding .powrc to support rvm.
Adding .powrc to support rvm.

shopittome/cruisecontrol.rb,shopittome/cruisecontrol.rb,shopittome/cruisecontrol.rb,shopittome/cruisecontrol.rb,thoughtworks/cruisecontrol.rb,shopittome/cruisecontrol.rb,thoughtworks/cruisecontrol.rb,thoughtworks/cruisecontrol.rb,thoughtworks/cruisecontrol.rb,thoughtworks/cruisecontrol.rb,shopittome/cruisecontrol.rb