Taking out verbose mode
taking out diff mode
Merge pull request #1281 from edx/han/ansible-provision.sh

Taking out verbose mode
adding defaults for edxapp
moving segmentio to secrets
removing limits indent
Merge pull request #1282 from edx/jarv/edxapp-defaults

adding defaults for edxapp
updating name of VIDEO_CDN_URL
Merge pull request #1283 from edx/jarv/edxapp-defaults

updating name of VIDEO_CDN_URL
changing default key prefixes
fix bad quoting
changing default
change COMMON_ENABLE_BASIC_AUTH to False in the defaults of the common ansible role
Add ORA2 to the update script
Merge pull request #1286 from dhpollack/dhpollack/basic_auth_false2

COMMON_ENABLE_BASIC_AUTH to False in ansible/comment/defaults/main.yml
Merge pull request #1289 from edx/release

Release
Add new settings needed by ora for student submissions.
In the configuration hash values set to "None" will be converted to None
fixing typo
removing the dynamic cache key