pythonpathsetter cleanup
pythonpathsetter cleanup

removed lot of old cruft related to jython 2.2 and old installation system

Update issue 1034
Status: started
PYTHONPATH is processed anymore.

Still need to check does User Guide say something about this.

fiuba08/robotframework,ldtri0209/robotframework,ldtri0209/robotframework,waldenner/robotframework,fiuba08/robotframework,ldtri0209/robotframework,ldtri0209/robotframework,fiuba08/robotframework,waldenner/robotframework,fiuba08/robotframework,waldenner/robotframework,fiuba08/robotframework,ldtri0209/robotframework,waldenner/robotframework,waldenner/robotframework