edx/edx-platform — pull request #4316 by tymofij (2014-07-07 15:16:56+00:00)
Title: BLD-1117, BLD-1217: Add read-only list of Group Configurations, Create feature flag.

Changes in here were previously reviewed in pull requests:
https://github.com/edx/edx-platform/pull/4175/
https://github.com/edx/edx-platform/pull/4267

Feature is enabled by setting env variable FEATURE_GROUP_CONFIGURATIONS to non-False.

Please approve merge into master @andy-armstrong @cahrens
cc: @auraz @polesye @olmar