Added basic cloud-init test for RHOS and EC2

Added new customization template for cloud-init
Added a convenience function to the Select class
Removed a fixed bug from provisioning
Added new test for cloud-provisioning
metadata marker, integrating with QA contact plugin
Fix server name tests
Updated function tracer

* Import DRY
* Broader catch
Typo brought in during refactor
Merge pull request #1413 from mfalesni/encrypt-typo

Typo brought in during refactor
Merge pull request #1412 from mfalesni/tracer-update

Updated function tracer
Merge pull request #1410 from mfalesni/meta

Metadata marker, integrating with QA contact plugin
Merge pull request #1411 from psav/fix_server_name_tests

Fix server name tests
Some fixes for Mr. Jenkins' complaints.
Merge pull request #1415 from mfalesni/jenkins-fixes

Some fixes for Mr. Jenkins' complaints.
Grab emails always
Grab events always
Initial commit with existing delete_vm.py script
Added deletion steps for templates for rhevm and vsphere.
Nightly images older than MRU_NIGHTLIES days will be deleted.
GPG signing for PR tester
Merge pull request #1418 from blrm/temp_changes

Template / VM deletion script updates
Merge pull request #1416 from mfalesni/force-mail-dump

Grab emails/events always
Merge pull request #1388 from psav/cloud-init

Added basic cloud-init test for RHOS/RHEV/EC2
VM Provisioning Approval test