5.0.24.0

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37257 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#4701 check for undefined/null rather than null

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37258 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
close menu

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37259 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
wrong position of styleBarButton

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37260 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e