fixes #1669 - epel is now a snippet.

This adds another method to install the epel repo, as a snippet,
allowing users to customly change the url, in case that it doesn't fit
their needs or if the url changes again.

to use, simple use:

<%= snippet "epel" %>

fixes #1597 - Restrict compute resources access by user

And add some rights to give non admin users so they can perform some normal actions on the hosts they own.

unit/domain_parameter_test.rb self-broke... added a tiny fix.
Removing compute_resources/vms nesting, it is such a nightmare for functional tests....

adds ec2 provisioning support fixes #1223

- added progress bar for instance creation
- minor fixes for certname based deployments
- added ssh provisioning support to orchestartion, which utilize finish
scripts by default
- added images support (part of the vm compute tab)...

fixes #137 - Better support for non-hostname certnames

This patch introduce a new setting :use_uuid_for_certificates which
defaults to false.

users who wish to deploy their hosts using a random unique id, should
enable that setting, and use the certname directive in their puppet.conf...

refs #402 - ensures that noops reports are shown currectly on all DB's (pg, mysql and sqlite)

fixes #1568 - PG::Error on fresh install

fixes #1254 - initial support to pxeboot windows

fixes #1540 added suport for provisioning on ovirt/rhvem using fog.

This patch addes a compute resource concept within foreman

Signed-off-by: Ohad Levy <ohadlevy@gmail.com>

fixes wrong code smell

code smell