Algebra event handling minor change

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37500 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
No label hit for renderer with 3D input

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37501 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
3D input use logical picking

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37502 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
hitting sphere for lines

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37503 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Hightlight sphere cursor when object hitted

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37504 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e