Debian package: Calling a symlinked xulrunner-stub
Since the Debian version in contrary to Mozilla's version of
xulrunner-stub allows symlinking and not only copying,
debian/conkeror.bin aka /usr/bin/conkeror now calls one of
/usr/share/conkeror/xulrunner-stub* instead of "xulrunner
application.ini" similar to what iceweasel does.
Now xulrunner-stub decides by looking at /etc/gre.d/ and $HOME/.gre.d/
which version of xulrunner is finally used.
You can still use a specific xulrunner version with conkeror by
e.g. calling xulrunner-1.9 /usr/share/conkeror/application.ini.
Thanks to Mike Hommey for the hint to this Debian specific feature.