Pull request #1032: CAS-14348
Merge in CASA/casa6 from CAS-14348 to master
* commit 'ca6131575d1f2743a010aa75f582a58f9eab1fcf':
Re-asserting that fringefit doesn't allow orphan timesteps
For CAS-14348:
Fixing the orphan timestep fringefit bug again
Turn off debugging output now I've tested the package built with it
Fixing fringefit on a single channel (again) and adding a test for it