Context menu changing: The submenu is not added for the menu as submenu, but this will be placed on a different popup panel. In this way we can set this popup panel's position easily. (#2977)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27262 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
properties files and related resources automatically updated from ggbtrans

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27263 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e