Add '-start' no-op flag and use it from extension

See: ARAKOON-379
See: http://jira.incubaid.com/browse/ARAKOON-379
See: ARAKOON-388
See: http://jira.incubaid.com/browse/ARAKOON-388
Merge pull request #57 from Incubaid/ARAKOON-388

Add '-start' no-op flag and use it from extension