Merge branch '23470_smarterPeakShapes' of https://github.com/mantidproject/mantid into 23470_smarterPeakShapes

Move V3D operators to be inline

Project Recovery: Handle multiple instances of mantid properly

Force progress messages to be str

Add new algorithm MatchSpectra

Mantidplot/ Testing/ buildconfig/ misc. typos

The problem was that empty progress messages were being converted to
`None` which `AlgorithmObserver` did not have the proper overloaded
methods to convert to an empty string. The fix is to convert them to a
string before calling the binding. For extra measure, the progress
percentage is converted to a float as well.

Refs #23632

Refs #21800

Pete Peterson authored 6 years ago and WHITFIELDRE email committed 6 years ago

* Ignore syntax errors on startup

There was an uncaught exception in parsing the file on startup.

Refs #23555

* Invert the test that the code is executed

Refs #23555

Remove HFIR Powder Diffraction Reduction Interface

D2B normalisation fix