Updating templates for Bootstrap 3.x changes and some custom oa specific classes
Merge remote-tracking branch 'upstream/7.x-2.x' into 7.x-2.x
Merge pull request #14 from ckoppenhaver/7.x-2.x

Radix 3.x Changes
Handle empty attachments
Set box-sizing for media widget
Fix colorbox handling in media widget
Issue #2330057: Convert oa_discussion to a local app
Issue #2331097: Remove use of variable_set
LANGUAGE_NONE assumed we it should not be
LANGUAGE_NONE assumed we it should not be - cleanup
Robustness addition in case of server hickups
Issue #2331097: Add tests for email sending
Issue #2331097: use oa_notification_skip to skip notifications
Issue #2330057: add screenshot
Issue #2330057: add icon
Issue #2330057: add server key
Update screenshot
Add app package
Fix discussion test when run with other tests
Support oa_notification update