Load specfn package only if necessary (#3063)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@23955 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
MathQuill: support new line by \cr (<br> and <br/> didn't work as implementation)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@23956 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
project and classnames changed to "touch"

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@23957 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e