audit as twitter and versions for template.

This also closes #1377 as it offer versions and diff view of the tempates.

it is not ideal, but it should handle the most common case for now,
where we should open other feature requests to support all of the ideas in #1377

wip audits upgrade

allow to store long queries as a bookmark

fixes #1668 - Paramaters should be text fields.

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