Add ocFilter to matrix (array) functions.
Some follow-up cosmetic clean.
Follow up commit of b0791dd921
Change-Id: I4c3c786fe14ab870be8c43211ca6a76c5ff6ac6c
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/164847
Tested-by: Jenkins
Reviewed-by: Balazs Varga <balazs.varga.extern@allotropia.de>
Formula Helper Code
Contains parts of the formula parser used outside LibreOffice Calc code that has been pulled out from Calc's formula parser code.
Also contains some functions that are needed by code in both sc and
scaddins. Located here just for convenience. So sue me.