Changing javagiac.dll's to the latest version in desktop/kickstart.xml

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31030 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Changing giac.js to the latest version in web/kickstart.xml

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31031 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#3882 some prototype for menu handling

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31032 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#3974 checkGeos fix

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31033 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e