Add read-database support
Mention puppetdb version in read-database parameters.
Merge pull request #132 from tdevelioglu/master

Add read-database support
Use EL instead of RHEL

To be more inclusive of variants like CentOS
Fixed read-database parameters in class puppetdb
Merge pull request #134 from tdevelioglu/master

Fixed read-database parameters in class puppetdb
Merge pull request #133 from ghoneycutt/patch-1

Use EL instead of RHEL