Why did the hash change as well? svn path=/nixpkgs/trunk/; revision=15029
- Kernel headers 2.6.18 added (XEN virtual images) - unifdef package added for kernel headers 2.6.18 - Python Zope and 4suite added - Trying bioconductor packages with R-lang (still failing) - Bumped gmp version - Added rq cluster runner - still requires extra gems (installs, but does not run) svn path=/nixpkgs/trunk/; revision=12766