Changed authorize operations for get user content tag list API from ADDto Read
Merge pull request #348 from sheebans/master

Changed authorize operations for get user content tag list API
Merge branch 'release-0.7.5-hot-fix' of https://github.com/Gooru/Gooru-Core-API into release-0.7.5-hot-fix
added sharing conditional check to decrement the public collection count
added sharing conditional check to decrement the public collection count