fix for #4556

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36479 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#4558 Export to Graphich View works

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36480 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
renderGGBelement error corrected

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36481 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e