Fixed removals from data store did not clean direct-match indexes to child
nodes.

  - Added deepRemoveStrategy, which checks for all quick indexes
    if they are removed correctly.

Change-Id: Icb7a231ca0308774f76b43ac40ab4eaf47e68937
Signed-off-by: Tony Tkacik <ttkacik@cisco.com>
Merge "Fixed removals from data store did not clean direct-match indexes to child nodes."