Invisible workspaces option bug fix 

Fix WeightedLeastSquaresTest for GSL2

Add LOQ option for mask line

SelectNexusFilesByMetadata treat summed files

Extend unit tests for PlotAsymmetryByLogValue

Fix multidomainfunctiontest with gsl2

Fix instrument definitions updating in parallel with new version check on startup 

Fix for missing detector IDs in "resized" EventWorkspace.

Calibration system test working for gsl2

Beta fix: Fit to raw data in Muon Analysis

This works better if the files are on different disks.

re #13152

Saw one of these on the RHEL7 build.

re #13152

re #17602

# Conflicts:
#	MantidQt/CustomInterfaces/inc/MantidQtCustomInterfaces/Muon/MuonAnalysisFitDataPresenter.h
#	MantidQt/CustomInterfaces/src/Muon/MuonAnalysisFitDataPresenter.cpp
#	MantidQt/CustomInterfaces/test/MuonAnalysisFitDataPresenterTest.h

Add special options for tiled plots of fit results

Beta fixes for Muon Analysis: keep selections on tab change

Save Nexus from the Workspace Dock will now properly run SaveMD for MD Workspaces

Python 3 Conversion - Group 7

Fix bug in spectra map

Do this by watching the progress updates and counting the number of
"found file" vs "loaded file" notifications

re #13152
re #13072
re #12469

This is to help with testing the "don't reload files already loaded" feature

re #13152
re #13072
re #12469

Pull in MSVC third party update to fix Debug build

If the file is not present, the algorithm should skip it and carry on.

re #13152
re #13072
re #12469

Fix uninitialized member variables - Coverity 

When workspace being plotted is a set of fit results,
plot the data with points and the fit as a line.

How to tell if the workspace is fit results:
it's a MatrixWorkspace with 3 spectra called
"Data", "Calc" and "Diff".

re #17602