Refs #9711. Refactored PoldiMerge to use MergeRuns

Consequently, WorkspaceGroups can be handled now as well.
Refs #9711. Instruments are compared as well now.
Re #9891. Added EvaluateMDFunction algorithm.
Re #9891. Unit test.
Refs #9711. Merging new data files

As explained in #10090, the measured chopper speed is sometimes a bit off on new data files. That's why the speed has to be cleaned up for now.
Re #9891. Output a histo workspace from FitMD.
Re #9891. Fixing the builds.
Re #9891. Fix doxygen warning.
Re #9891. Set all fitting errors to 1.0
Fix TabulatedFunction Shift parameter. re #10288

Update code doc to reflect change
Updating fitting table output
Refs #10387. OPENSSL_ROOT_DIR now points to homebrew opt directory
Default to loading mica when fmica is selected on IRIS

Refs #10388
Re #10390. Added image get functions and unit tests.
Re #10390. Use x values instead of indices.
Re #10390. Added image setting methods.
Re #10390. Changed loops to parallel
Re #10390. Fixing include file name.
Re #10390. Fix compile warnings.
Added ability to use Sqw to ElasticWindow

Refs #10410
Fix minor cppcheck warning

Refs #10410