#4084 Symbol text field

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32158 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#4103: setFont in API

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32159 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e