Add faraday rotation and tests

8 jobs for master in 10 minutes and 6 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Validate Cwl Scripts
passed #5824
validate_scripts

00:01:04

 
  Test Steps
passed #5826
blsmooth

00:01:07

passed #5825
find_skymodel_cal

00:01:09

 
  Integration Test
passed #5828
faraday_rotation

00:01:23

passed #5831
flag_average

00:00:22

passed #5827
pol_align

00:00:34

passed #5829
prefactor_calibrator

00:05:52

passed #5830
toil

00:06:09