Focus[ Conic3D ]

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28264 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Restore initSingleton()

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28265 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e