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
Migrate all enabled service variants databases
allows overriding ssh user
refactoring key handling for redhat variants.
adding dash

need to update the play tag and jenkins
borwsermob-proxy role added
refactoring to support multiple forward targets
default third_party_auth to "None"
Increase abbey timeout so amis with XML coursedata have enough time to build.
setting default AWS KEY and ID to "None"
Merge pull request #1342 from edx/jarv/var-updates

Jarv/var updates
Merge pull request #1345 from edx/feanil/update_abbey_timeout

Increase abbey timeout so amis with XML coursedata have enough time to b...
The update_edxapp_db_users.yml play does just a subset of the create_dbs.yml.
Update db-clone job to use create_dbs script.
adding analytics vars