Refs #9589. Added usage example for PoldiMerge.

It required another data file to make sense.
Refs #9369 Move linking method to outside fillHistory.

This needs to be outside fillHistory so that it can be overridden in
concrete algorithms without have to reimplemented the linking.
Refs #9584 Add examples for CheckWorkspacesMatch.
Add usage to CatalogGetDataSets. Refs #9585.
Refs #9589. Cleaned up documentation of PoldiPeakSearch.
Add detailed description to CatalogDownloadDatafiles. Refs #9585.
Refs #9584 Add examples for GeneratePythonScript.
Re #9579. Added Usage section to ChangeBinOffset doc
Refs #9587 - Docs for SaveCanSAS1D versions 1 and 2.
Refs #9589. Updated docs for legacy POLDI algorithms.

This documentation will not be changed until final decisions about their further treatment have been made.
Refs #9584 Add examples for SortPeaksWorkspace
refs #9581 First changes to SofQ code (format of properties)
Refs #9587 - Docs for SaveNXSPE.
Add usage to ConvertToDistribution. Refs #9585.
Refs #9584 Add examples for SplineInterpolation
Add usage to ConvertFromDistribution. Refs #9585.
Refs #9589. Added usage example for PoldiFitPeaks1D.
Refs #9859. Added note to PoldiPeakSearch docs, moved PoldiProjectRun
Refs #9584 Add examples for PlotPeakByLogValue
Add usage to UnwrapMonitor. Refs #9585.