Add general tokenizer for parameters.
and WebWiew to host JS from online

Change-Id: I5bb419c18d239d6d88fa17078c079420aac58931
Reviewed-on: https://gerrit.libreoffice.org/35438Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: jan iversen <jani@libreoffice.org>