Ticket #4810: as geo is null, exceptions come, and they can be seen in Chrome, so fixing them is work in progress

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@38146 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Translate tool for 3D (dragging geo)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@38147 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e