[ISSUE #180][ISSUE #184][WIP] adds documentation
[ISSUE #184][WIP] fixes the documentation for inviteFriends()
[ISSUE #184][WIP] adds code conventions
[ISSUE #180][WIP] adds code conventions
[old issue] adds new code conventions to admin methods
[ISSUE #184][WIP] adds timestamp to post
[ISSUE #180][ISSUE #183][WIP] adds test files without the authentications