Merge pull request #391 from dmick/develop

RHEL may be RHN, but that's not default as of 6.3; try RHSM too
Added support for Kali Linux.
Merge pull request #396 from valentinbud/develop

Added support for Kali Linux.
Fix SC2005 on caller evaluation
No need for in-line disable command
Disable SC2009. We want to use `ps`.
Add Kali support to changes log and add Valentin Bud(@valentinbud) to AUTHORS
Replace tabs with spaces
Function does not make use of passed arguments
Remove references to the short URL
Make use of the now live https://bootstrap.saltstack.com
Use `https://bootstrap.saltstack.com/develop` for the develop version of the script.
Don't even try to run checks if file does not exist
Sleep on the right place
Better RHEL optionals repository detection.
Update changes log
Allow for a more generic optional repository testing. Closes #402.
Logic check against true value.

Add missing CPU arch logic
Merge pull request #405 from s0undt3ch/develop

Allow for a more generic optional repository testing. Closes #402.
Added support for http proxy