Use unix-style paths everywhere in category directive

A bug in FunctionBrowser's tie setting

Resolve crash with double clicking table in Muon GUI

GenerateEventsFilter: Prevent 'TimeInterval' property from having zero-only values.

All groups/pairs from home tab in muon analysis

Any backward slash characters do not get treated correctly and within
the relative link calculations.

Fix Sphinx warnings on RHEL 7

The version of Pygments on RHEL seems to be case sensitive so
'Python' is not recognised as a valid lexer. Also fixed a few
reference errors.

Fix incorrect comparison in GLActor

Instrument view crashes when picking a non-detector component.

Added all periods to muon analysis 

Redefine normalization estimate in EstimateMuonAsymmetryFromCounts

New loader for ILL diffractometers

Fix progress reporting in LoadNexusProcessed

Publish system tests for ISIS SANS

Refs #19446. Added 2 defaults.

Fix cropping error when summing in Q

Fix monitors information in detectors table

Fix latex error in CountReflections docs

Merge branch '18868_loadILLdiffration' of https://github.com/mantidproject/mantid into 18868_loadILLdiffration