Summary: Exposed the `pluginKey` to sandy plugins (which we will use later for storing table preferences per plugin). And a little moving code around because circular deps problem roared its ugly head again.
Reviewed By: nikoant
Differential Revision: D27009721
fbshipit-source-id: 7ad29e72ff8028c9daae270c4749b657bd8ff049
2ca52f81d2