Modified AbstractMovesFacetVO and MovesActivityVO to prune start/end times for moves, places, and activities which cross midnight boundaries.  This has to be done at digest retrieval time rather than at import because the user-specified timezone for a given day may not be the same as the expected timezone at time of import.  There may still be inconsistencies if the user-specified time zone is too far different than the timezone used by the Moves app at time of data acquisition, but it should make the best of what it's got.