registration allows topic creation
add tests

* ensure promoted posts change status to 2
* ensure promoted posts are removed from flag list
* ensure blacklisted posts change status to 3
Merge branch 'master' of gh:project-douglas/eris
Comment out addlink check
Merge branch 'master' of https://github.com/project-douglas/eris
fix promote post tests failing and add one more bl test
fix a crisis of membership
c3d version bump
finish implementation of flag list -> promote -> bl on client end
minor cleanup in display contract file
Merge branch 'master' of https://github.com/project-douglas/eris