"no need xOy plane"

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33413 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Correct toolbar for 3D view

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33414 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Attaching 3D view is no more an error :)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33415 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Dummy bug

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33416 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e