Operation queueing.
Dequeue next submit operation after callback.
Fix tests for queueing submit operations.

Count done() calls in tests; move redisSubmitDelay code from
RedisDriver to TestDriver.
Move util.calls to javascript.
Refactor submit to use options object.
Simplify and document _resumeSubmitting
Revert redisdriver.js
Removed some archaic console.logs
Remove unnecessary code; proper setup/teardown.
Rename @create2 to @createDoc
Assert submitMap empty once operations flush
Rename options to submitData.
Merge branch 'master' into operation_queue

Conflicts:
	lib/index.js
Assert lock after emptying queue of operations.
Merge pull request #38 from noansknv/operation_queue

Operation queue