"Navigation bar" menuitem added for right-click menu #2977

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25714 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
bugfix: make sure script errors displayed rather than empty message box

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25715 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
* Rotate (limited) cone, cylinder
* Fix add/remove drawable to 3D view (done if at least one list is not empty)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25716 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
* Fix add/remove drawable to 3D view (done if at least one list is not empty)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25717 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Clean code

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25718 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e