Tests + test data for CSM jigsaw (#4530)

* Removed debug couts

* Added csmnetwork test fixture

* Added a test for CSM test network

* Adjusted trig functions + added deg/rad conversions

* Initial CSMNetwork data

* Uncommented code

* Removed network path and control network from CSMNetwork fixture

* Removed temporary path from csv comparison

* Adjusted spacing + responded to PR feedback

Co-authored-by: Austin Sanders <arsanders@ugs.gov>