bugfix: % in LaTeX

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28653 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
TableText objects can now be colored

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28654 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e