Upgrade `requests` module to 2.3.0
Upgrade `oauthlib` module to 0.6.3
Merge pull request #1 from edx/master

up to date
add some vars for smtp backend

add some vars for smtp backend
Update AUTHORS
Update AUTHORS
we can't propagate these at launch
mongo cluster key should be sourced from a variable, not a file
make sure gdebi is installed
Merge pull request #1264 from edx/derf/dont_PropagateAtLaunch_all_the_things

CloudFormation doesn't know what to do with these.
Merge pull request #1269 from edx/derf/mongo_deployment_fixes

Some fixes required for mongodb to be deployed
loosen basic auth rules
allow all private networks
Merge pull request #1272 from edx/jarv/loosen-basic-auth-rules

loosen basic auth rules
loop on extra_args
Merge pull request #1273 from edx/jarv/add-quotes

loop on extra_args
updating caching for the cms
Merge pull request #1274 from edx/jarv/cms-static-cache

updating caching for the cms
always show diffs
Merge pull request #1276 from edx/jarv/show-diffs

always show diffs