add further checks to integration test: queue and exec. slots must be
empty
Saved state before logging disabled
pre branch switch
+ Events during execution time of action are aggregated, consecutive
actions are taken
+ Locks to prevent problems with concurrent access to actions, and their
states
+ Handled different event-representations of local update (i.e local
update and local delete/create)
+ tests to check for cleaned up queue / execution slots
+ Updated state machine: New State LocalHardDeleteState
+ Updated FileEventManager tests accordingly
Working FileEventManager unit test
Fixes to FileEventManagerTest and AddDeleteTest
pre-fix commit (unit tests don't work in sequence anymore)
Complete AddDelete test with cleanup, sequential execution, etc.
AddDelete/Recover/Move should work (i.e. all tests pass with cleanup)

Update: still some issues (H2H can't delete file for some reason)