Make web/start idempotent again [IMMUTANT-155]
Make web/start idempotent again [IMMUTANT-155]

kbaribeau/immutant,kbaribeau/immutant,immutant/immutant,kbaribeau/immutant,coopsource/immutant,coopsource/immutant,coopsource/immutant,immutant/immutant,immutant/immutant,immutant/immutant