Merge pull request #4 from stevendgonzales/master

add retries and retry_delays to database resources
Merge pull request #5 from stevendgonzales/master

add rubocop, foodcritic, and chefspec testing
Merge pull request #6 from stevendgonzales/master

make database/user calls on localhost
Merge pull request #7 from stevendgonzales/master

Postgresql master slave replication with unit tests
Explicitly define Postgresql93 client package to get around Centos-6.5 weirdness of by default installation of Postgresql-8.4 client.
Merge pull request #8 from igueths/master

Explicitly define Postgresql93 client package to get around Centos-6.5 w...
adding automated failover for disaster recovery