redid skeleton for postgres use instead of sqlite3
add welcome controller
Merge remote-tracking branch 'origin/master' into postgres

Conflicts:
	Gemfile
	Gemfile.lock
	README.rdoc
	config/application.rb
	config/database.yml
	config/environments/production.rb
	config/initializers/session_store.rb
	config/routes.rb
Merge pull request #5 from rickytux/postgres

Postgres