use COMMON_ENABLE_NEWRELIC 

use COMMON_ENABLE_NEWRELIC and  NEWRELIC_LICENSE_KEY in forum_env
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
add mongodb backup role
add mongodb backup script
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
notifier-env-extra: Allow to add extra variables to notifier environment
Merge pull request #1518 from antoviaque/notifier-env-extra

notifier-env-extra: Allow to add extra variables to notifier environment
these environment vars should strip whitespace
Merge pull request #1519 from edx/derf/update_notifier_supervisor_config

these environment vars should strip whitespace
Make changes needed for matplotlib to work in the code sandbox.
Merge pull request #1159 from edx/feanil/sandbox_matplotlib

Make changes need for matplotlib to work in the code sandbox.
theme support for notifier service
simplify notifier environment config
Merge pull request #1520 from edx/derf/notifier_theme_support

add theme support for notifier role, simply notifier enviornment config
updating jenkins_worker to include browsermob-proxy