Fixed a bug. Refs #10182.
Refs #10182.  Added algorithm to save GSAS file for VULCAN.

On branch feature/10182_reduce_vulcan
Changes to be committed:

      new file:   ../Mantid/Framework/PythonInterface/plugins/algorithms/SaveVulcanGSS.py
      modified:   ../Mantid/Framework/PythonInterface/test/python/plugins/algorithms/CMakeLists.txt
      new file:   ../Mantid/Framework/PythonInterface/test/python/plugins/algorithms/SaveVulcanGSSTest.py
Merge branch 'feature/10182_reduce_vulcan' into develop. Refs #10182.

Conflicts:
	Code/Mantid/Framework/PythonInterface/test/python/plugins/algorithms/CMakeLists.txt