use md5 instead of indent and auto pot forward 3000 to 6987.
chef: create kuansim db user and kuansim database.

- use github.com/phlipper/chef-postgresql cookbook instead of the one in opscode site.
- use ident of postgres user.
chef: create kuansim cookbook

- moved Vagrantfile and Berfsfile to the cookbook.
- created a kuansim service to run pgrest.
chef: remove typo in kuansim.conf.erb.
chef: removed unused Vagratfile.
Merge branch 'feature/vagrant_pgrest_web' into develop