Refs #7966 Updated JumpFit system test.
Refs #7966 Fixing JumpFit system tests.
Add Vesuvio fit test for when Kfse is free parameter.

Refs #7492
Update Vesuvio system tests due to optimizer changes.

Refs #7492
Add Vesuvio Fitting test including a background.

Refs #7492
Fix silly copy-and-paste error in VesuvioTest reference file

Refs #7492
Refs #7965 Updating system tests with fit options.
Refs #7965 Added new system tests to check ResNorm loading.
Re #8100. Remove one character to fix system test.
Refs #7965 Missed fit option on sys test.
Relax tolerance on windows/mac for vesuvio tests.

The results are still acceptable they just differ slightly
(my guess is the GSL) from Linux where the reference file was created.
Refs #7492
Input files and skeleton ARCS systemtest. Refs #5523
Relax Mac tolerance. Refs #7492
ARCS data. Refs #5523
ARCS systemtest. Refs #5523

Reference results and finalized systemtest
Refs #7965 Added width system test

Also updated ResNorm test.
Merge remote-tracking branch 'origin/feature/7492_background_in_compton_scattering'
Refs #7965 Fix broken system tests on develop
Merge remote branch 'origin/feature/5523_ARCS_systemtest'
Re #8159. Add CNCS prenexus file.

There are no prenexus files in this repo at the moment. Adding this will
mean that the LoadLotsOfFiles test will pick it up - and will fail until
I fix the issue in Mantid.