Added new postgresql support for passenger apps
* new postgresql role for setup a database server only
* modified rails role to remove mysql dependencies, since
  mysql related runlist will be in a separate role
* added new passenger_postgresql role for passenger/posgresql
  stack specific configuration
Modified rails/databases recipe to support pg
Running the create user command as user 'postgres'
Added new postgresql support for passenger apps
* new postgresql role for setup a database server only
* modified rails role to remove mysql dependencies, since
  mysql related runlist will be in a separate role
* added new passenger_postgresql role for passenger/posgresql
  stack specific configuration
Modified rails/databases recipe to support pg
Running the create user command as user 'postgres'
Merge branch 'add-passenger-dbtype-roles' of github.com:oiuzikov/chef-repo into add-passenger-dbtype-roles

Conflicts:
	cookbooks/rails/recipes/databases.rb
Added 'postgresql' community cookbook, removed unneded role, modified
postgres role to include postgresql::server recipe in runlist only since
it includes client and appropriate platform recipe such as postgresql::server_debian
Forgot to add
Renamed postgres role
Configure two machines in Vagrantfile: mysql and postgres
Use http 8080 for postgresql and 8081 for mysql
Added some instructions for testing
Use db roles first in chef attributes
Add base role to all top level stack roles and include apt and build-essential into base role
Use built-in database cookbook for creating postgres databases
Remove old commented lines for creating the databases now that we've figured out to use the built-in cookbook features
Update Vagrantfile and added rbenv_vars
Fixes for databases recipe

  * Added database::client recipe to postgresql role
  * Correct import of mysql/pg gems recipes
Merge pull request #53 from oiuzikov/postgresql-support

Fixes for databases recipe