Context object for passing information to jobs

o A context object consolidates the redis connection, the key manager
and various configuration values to be passed easily from server to
matrix and from matrix to jobs
Context passed to matrix
Configuration passed to jobs
Updated Readme
Changed configuration to contain job config values
Better count; mcreate

o Count now uses scipy.stats.itemfreq
o mcreate command on worker side for creating matrices
Bugfixes
test

o I am testing branching :-)