Use heroku-api for client calls
Removes Jeweler and standardizes all dependency info in .gemspec
*Uses bundler best practices to manage our dependencies.
*Rails 3 required for development as cuke steps are dependent
on rails version
*adds .rvmrc for rvm users
Removing circular depdency for heroku_san, making fresh installs tricky.
Rails2 is compatible.
Added first Cucumber feature running with Aruba