AnodeActivity: added removeInstance call to __stateChanged;
Since AnodeActivity call addInstance directly, when starting an isolate,
it should also remove them, when they stop.
Delete local refs for array elements during conversion
Add comments about PopLocalFrame()
Revert to previous API to avoid breakng stubgen
Remove Android log imports
Delete some local JNI refs more aggressively
Merge branch 'master' of github.com:paddybyers/anode
Delete weak or strong global JNI refs appropriately
Fix some more local reference leaks
Merge branch 'master' of https://github.com/paddybyers/anode