add templates for Ubuntu 14.04
Cleanup inconsistencies in Ubuntu templates.

* Build all templates non-headless so we can see error output
* Remove extraneous provisioner
Merge pull request #206 from juliandunn/cleanup-ubuntu-templates

Cleanup inconsistencies in Ubuntu templates.
Add links to new ubuntu images
Merge pull request #209 from Maks3w/patch-1

Add links to new ubuntu images
Support Red Hat Enterprise Linux 7 Release Candidate.
Fix company name in README
Update to OmniOS r151008t
Update Debian Wheezy to 7.5
Update to Packer 0.5.2
Remove ancient "hidden" files
Bring under the Release Engineering umbrella
Drop support for 32-bit boxes
Update VMWare tools installation
Remove Thor
Add Ubuntu headers to preseed
Better cleanup script
Don't update on boot
Bump CPUs and RAM
Remove old directory structure