4.9.241.0

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31505 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
* intersection on right point
* remove segments used twice

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31506 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e