Refs #9615. Doing LoadCalFile.
Refs #9615. Adding GetEi and LoadDspacemap.
Refs #9615. Adding Transpose.
Refs #9615. Adding LoadNexusLogs.
Refs #9615. Adding SpatialGrouping.
Refs #9615. Adding SaveDaveGrp.
Refs #9615. Adding three more algorithms.

- FindDetectorsPar, GenerateEventsFilter and IndexSXPeaks.
Refs #9615. Adding FakeMDEventData.
Merge remote-tracking branch 'origin/feature/9615_usage_examples'