Bug #3200 - Fix for the V1 API call GET /api/v1/plans returns duplicate plans in some cases.
Bug #3200 - Fix for the V1 API call GET /api/v1/plans returns duplicate plans in some cases.

Fix for issue #3200.

Changes in app/policies/api/v1/plans_policy.rb methods
plans_for_client() and plans_for_user() returns a unique array of plan
ids by finally calling the method uniq() on the ids the methods
previously returned.

DMPRoadmap/roadmap,CDLUC3/dmptool,CDLUC3/dmptool,DMPRoadmap/roadmap,CDLUC3/dmptool,CDLUC3/dmptool,DMPRoadmap/roadmap