Setup certmonger privileges

- Install rpms necessary for certmonger.
- Tell database to use passwords when using ssl.
  (removing code that leverages client side certificates)
- setup privileges so certmonger can write to the certificate directories

https://bugzilla.redhat.com/show_bug.cgi?id=1130658
Merge pull request #404 from kbrock/certmonger_privileges

Setup certmonger privileges