Use the correct package name when installing postgresql 9.1 and above in Ubuntu
Merge remote-tracking branch 'bradmontgomery/master'

* bradmontgomery/master: (66 commits)
  README clarifications
  Rewrote the setup recipe so it uses psql and SQL commands instead of the database cookbook resources; also added an attribute to specify the name of the data bag
  ignoring metadata.json and vim .swp files
  use Opscode's method of checking on postgres
  more accurate phrasing about COOK-1406
  increment version for development
  release v1.0.0
  [COOK-1532] - namespace package attributes
  [COOK-1534] - add ruby recipe
  (belated) increment version for development
  [COOK-1532] - specify packages with attributes
  [COOK-1011] - remove gem install and usage
  [COOK-1462] Add :listen_addresses attribute to cookbook templates.
  [COOK-1437] Fix typo, that should be start not restart.
  [COOK-1437] Just restart immediately, since we want this behaviour for all runs, not only the first
  Fix COOK-1437. Start postgresql service after templating postgresql.conf
  Fixed version for Debian 6.0 and above
  Removed useless `when`
  Fixed bug when using Debian
  [COOK-1087] Update the CONTRIBUTING file to fix a minor typo
  ...

Conflicts:
	attributes/default.rb
	recipes/server_debian.rb
	recipes/server_redhat.rb
Intelligently determine package name based on the version of postgresql and the the version of Ubuntu
Generate ssl keys when node[:postgresql][:ssl_password] is defined
Merged changes.