Don't store ops in Mongo, just keep them in redis with a timeout
Merge branch 'master' into remove_mongo_doc_ops
Merge branch 'master' into remove_mongo_doc_ops

Conflicts:
	app/coffee/DocOpsManager.coffee
	test/acceptance/coffee/ApplyingUpdatesToADocTests.coffee
	test/acceptance/coffee/FlushingDocsTests.coffee
	test/unit/coffee/DocOpsManager/DocOpsManagerTests.coffee
	test/unit/coffee/RedisManager/prependDocOpsTests.coffee
	test/unit/coffee/RedisManager/pushDocOpTests.coffee
Use version from web, with fallback to old mongo collection
Log out warning when using Mongo for version still