5.0.31.0

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37606 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
revert r37445 #4673 #4742 Combobox problem

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37607 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e