Merge pull request #1470 from edx/han/kifli-amis

New AMIs for Kifli
New boxes for kifli
Updating VMWare box location and name
Merge pull request #1504 from edx/han/kifli-Vagrantfile

New boxes for Kifli
Merge pull request #1495 from edx/rc/kifli

Release...rc/kifli
adding testcourses role
Merge pull request #1516 from edx/jarv/add-testcourses-role

Jarv/add testcourses role
Merge pull request #1517 from edx/release

Release