Refs #8807 Updated system test data and reference result.
Refs #8807 Remove unused testing file.
Refs #8807 Add some system tests for ConvFit.
Revert "Refs #8807 Add some system tests for ConvFit."

This reverts commit d1b071c94d610c017b02166bdbd27da8a9a12a06.
Revert "Revert "Refs #8807 Add some system tests for ConvFit.""

This reverts commit a2137e58d2ccbdce33d9a24859a8e30f9fe698d0.
Refs #7838 Fix system test to use new options.

Also remove file deletion code as we now have a save flag.
Refs #8610. Add the system test.
Refs #8800 Relax tolerance.
Refs #8803 Update tolerance levels.
Merge remote-tracking branch 'origin/feature/8610_muon_load_system_test'
Merge remote-tracking branch 'origin/feature/7838_c2e_output_options'
Merge branch 'bugfix/8807_update_jumpfit_systemtest'
Refs #8800 Update with more accurate parameters for IRIS.
Refs #9021. New system test reference file.
Minor changes in golden files. Refs #9033.
Refs #8803 Update with finer parameters for IRIS.
Merge remote-tracking branch 'origin/bugfix/9033_correct_findpeakbkgd'
Merge remote-tracking branch 'origin/feature/8803_convfit_sys_tests'
Merge remote branch 'origin/feature/9021_basis_ghost_removal'
Merge remote branch 'origin/master' into feature/7987_powder_refactor

Conflicts:
	SystemTests/AnalysisTests/ReferenceResults/PG3_4844_reference.gsa
Re #7987