bachroot: Add i686 chroot support.
scripts/make-repo: Add whitelist.
Merge branch 'master' of https://github.com/noptrix/blackarch into unstable
pnscan: Remove trailing whitespace.
Increment all $pkgrel variables.

We messed up some signing stuff. This is necessary. See
9555f246f6918fee67edfc8f727878733233be1a.