Pull request #1061: CAS-14804
Merge in CASA/casa6 from CAS-14804 to master
* commit 'b21128a27d35f918b11d60dad2d1ff729e92d923':
Inflate epsilon for passing tests across platforms
Add tclean task for CAS-14804, depends on fasr dataset
Update comparison values in test_onefield_asp
Reverse to normalization with psf width again, this makes the unittest testonefieldasp performing superior to old version again
Solution by rescaling the objfunc, and amplitudes, for more details see description at Jira ticket
