A free point, B = A + (0,0,0) : select and move A (rather than B)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29946 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
No selection rectangle in 3D view (for now)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29947 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e