Enable/disable listeners#1022

lmarini merged 10 commits intomainclowder-framework/clowder2:mainfrom

1009-list-all-the-extractors-and-also-add-ability-to-turn-onoff-the-extractorsclowder-framework/clowder2:1009-list-all-the-extractors-and-also-add-ability-to-turn-onoff-the-extractorsCopy head branch name to clipboard