* clean code
* don't update view3D construction elements when was a rotation

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29803 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
leonar3do : pick only objects intersecting the 3D mouse

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29804 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e