Moving generic methods from MongoServer to MongoConnector
Properly pass --oplog to dump command as needed
Using a new error code UploadedFileAlreadyExistError for existing uploads
Masking mongo uri in output
Clearing backup.tryCount on reschedule from scratch
Setting mbs mongo connection timeouts to 90 seconds instead of 30
Adding backup.queueLatencyInMinutes
Use backup.plan_occurrence when applicable in calculating queue latency
Robustifying some target methods + moving some helpers to a common module
Properly updated nullified backup properties
Moving naming scheme to strategy
robustify rackspace put file
Preparing for multiple naming scheme properties
Merge branch 'master' of github.com:mongolab/mongodb-backup-system

Conflicts:
	mbs/strategy.py