Merge branch 'release/0.80.59' into develop
Investigate http://dev.1flow.net/1flow/1flow/group/46863/
Implement user_{feed,subscription}s all_ids and all().
Implement http://dev.1flow.net/1flow/1flow/group/46776/ and http://dev.1flow.net/development/1flow-dev/group/46941/ (they are the same in different envs).
version bump for 0.80.60.
Merge branch 'release/0.80.60'