Re #10190. Adding generated algorithm code.
Re #10190. Code compiles.
Refs #10190. First pass or writing out the data values.
Refs #10190. Forgot leading whitespace.
Refs #10190. Added mantid version to the output.
Refs #10190. Adding meaningful unit test.
Refs #10190. Fixing osx build.
Refs #10190. Hopefully fixing the usage example.
Merge remote-tracking branch 'origin/master' into feature/10190_pdfgui_files
Merge pull request #50 from mantidproject/feature/10190_pdfgui_files

PDFgui file writer