Added:
- All the spatial motors feedback as detectors so they can be added to
scans.
- Added the new controls as detectors to the appropriate scans.
Altered:
- Changed the list inside the cleanup actions to try and make it so the
scaler properly goes into continuous mode after a scan.  Due to erratic
behaviour of the scaler, it didn't help as much as I'd anticipated.
Altered:
Merge pull request #1013 from acquaman/Issue927

Looks good to me.