Fix load md for legacy files

Adding workspace groups to multi-dataset fitting interface.

Start removing raw owning pointers from Mantid::Geometry

Use Rename with Monitors  in reduction

Restructure and renaming of measurement associated sources for Reflectometry GUI

Merge branch '14203_fix_loadMD_for_legacy_files' of github.com:mantidproject/mantid into 14203_fix_loadMD_for_legacy_files

SliceView: Disable/centre slider for integrated dimensions 

Refs #14255

Better text for SCD interface

Feature/14042 improve algorithm serialization

Check error levels after running cmake

CMake is now required to be on the PATH for each slave

Save instrument geometry

Set GIT_DIR if it's not set

Cleanup OS X packaging

Table addRow now accepts tuples and numpy arrays in Python

Re #14333 Fix deprecation warning in simpleapi.py

re #14042

Improved usability of the local parameter editing dialog

re #14042

Extend LoadLogPropertyTable to be able to parse SNS files

Update build to use Visual Studio 2015