Make tests robust to restart.
Cython for filter.
Move to rio.  Doesn't work.
Renamed to KVIO
Merge branch 'rbdevel' into aerospike

Conflicts:
	ocpca/ocpcadb.py
New file.
Refactored I/O in mysqlkvio separate from ocpcadb.
THis will allow other storage engines for cubes, exceptions
and indexes.  RAMON will have to be mysql it needs relational
support.  I've also removed all cursors from annotation.
Aerospike client v1.
Move to salmo.
Pre-cassandra merge.
Merge branch 'aerospike' into cassandra
Adding cassandra I/O
Merge branch 'cassandra' of github.com:openconnectome/open-connectome into cassandra
MySQL I/O works.
First cassandra version working.
Move to salmo.
Add files for cassandra
First version in which annotations work in cassandra
Seems to all work.  Open files problems on MacOSX.
Testing for Cassandra.