Do not specify version of ruby, 1.9.2 and 1.9.3 popular. not sure how to specify =>1.9
Moving to ActiveRecord > 3.2.1  and <4.0 for the simpler db connection to heroku databases.

active_support forces version 3.0.0 of active record, removed the underscore to get the standard package.
Removed heroku gem, as now use the heroku tool belt command line app.
Sqlite3 gem renamed for local development
Postgres DB connections now require the pg gem
Updated the gem lock file with recent gem changes.
Readme updated for Heroku Deploy
Update To heroku db connection.
Version bump to 0.3.0