added math-mode symbols for matrix importer
added math-mode symbols for matrix importer

git-svn-id: b62a74e6a85b74e782ead772f54cba8e909798b9@204 6e728def-ac18-4b39-bad8-e7d984b3b6fa

pviotti/Gummi,pviotti/Gummi,pviotti/Gummi,pviotti/Gummi