Add support for Linux Mint 17
Merge pull request #469 from skylerberg/linuxmint-17

Add support for Linux Mint 17
Added Skyler Berg(@skylerberg) to AUTHORS
Update changes log
Init pacman keys if not done so previously
Update changes log
Match v2014.7 but not 2014.7 as a valid Salt tag
Update changes log
Don't delete the salt-testing package during tests
Remove libcloud and requests during test cleanup
Try to get the current stable version from the environ
Update the runtests parser to set the stable version in the environ
It's a String!
Bump version for stable release
Merge branch 'develop' into stable for v2014.10.14