Update Rackspace image for CentOS 6.5
Revert "Update Rackspace image for CentOS 6.5"

This reverts commit 6b4023e12450cf72c5c82f1df206bd86528778d2.

The CentOS 6.4 image returned, and CentOS 6.5 images have a syntax error in
CentOS-Base.repo causing Puppet errors.
Update Rackspace image for CentOS 6.5
Fix Debian plugin repo component
Fix installation of compute resource packages
Adding new test for koji testing
Increase RAM to 2GB for Rackspace, as swap has been removed
Merge pull request #23 from domcleal/rackspace-ram

Increase RAM to 2GB for Rackspace, as swap has been removed
Add Ubuntu 14.04/trusty
Merge pull request #24 from domcleal/1404

Add Ubuntu 14.04/trusty
Specify hammer user/password as default is commented out in foreman.yml
refs #3272 - use a predictable admin password
Fix to allow Foreman 1.4 too
Use installer CR and CLI options where available
Check for changes on second installer run
Merge pull request #27 from domcleal/use-installer-options

Use installer CR and CLI options where available
Supply user/pass for Hammer on old versions

Fixes regression in fc9e350
Merge pull request #28 from domcleal/hammer-password

Supply user/pass for Hammer on old versions
Add ENC / Puppet class application test
Stop foreman-proxy when replacing its SSL certs