corresponding to ffx 3.5.x. Most patches taken from there, tested
successfully @ppc/amd64/sparc64. Branch 1.9.0.x is approaching attic
upstream, as ffx 3.0.x.
The plan is to move all users of xulrunner/1.8 to use this latest
version, and then ditch the old unmaintained one from ffx 2.x days.
xulrunners. this was necessary for smooth migration, since we want
plugins work for mozilla 1.8 branch too (seamonkey, thunderbird);
they are upwards-compatible if built against 1.8. however, some
new applications started to depend on 1.9, and also other (non-plugin)
apps will start to migrate so that the old xulrunner can go away
requested by many; bulk build & pkgpath & bump done by sthen@
