Prior to merge
Merge branch 'cassandra' of github.com:openconnectome/open-connectome into cassandra

Conflicts:
	ocpca/askvio.py
Projects changes
Merge branch 'cassandra' into kl-dev

Conflicts:
	ocpca/ocpcadb.py
	ocpca/ocpcaproj.py
Move to rbdevel.
[merge] Merging with Rbdev. Introduced new features of kvengine and kvserver. All tests pass