initialization parameter to FastParser will turn off
the namespace declaration missing exception. Test cases
have also been given to verify the same.

Change-Id: I4c3e02c7ad92d50e279f895ced53c78fc8f49b91
Reviewed-on: https://gerrit.libreoffice.org/27278Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Meeks <michael.meeks@collabora.com>
Tested-by: Michael Meeks <michael.meeks@collabora.com>