Added a mention of the dependence on 'psql' to the README.
Added the ability to specify the user/group that the bash commands run under.
Added an action for changing the owner of a database.
Added a new resource for working with schemas. Only action at the moment is granting usage.
Merge branch 'master' of https://github.com/icaughley/chef-psql into icaughley-master
Merge branch 'icaughley-master'