[giac] make sure Intersect[(((2)*(x))+(1))/((x)-(5)),y=2] works

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28600 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Attempt to make BotanaGiac work in the web

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28601 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
* Compasses with 3D points
* Compasses in view for plane

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28602 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Compasses in view for plane

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28603 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e