Merge remote-tracking branch 'upstream/unstable'
hwk: Make style changes.

This...
  - Stops distributing the license (already distributed in
    /usr/share/licenses/common
  - Adds $pkgver to the source.
  - GPLv2 -> GPL2 (license should match something in
    /usr/share/licenses/common)
  - Makes other tiny, unimportant style changes.
hwk: Replace hardcoded package versions.
Add 'lft'.
AUTHORS: Add a couple of names.
beleth: Update version number.
beleth: Update version number.
hwk: Rename '/usr/bin/eagle' to '/usr/bin/hwk-eagle'.

This resolves a conflict with the eagle package on the AUR.
added libpst per issue #87
Merge branch 'master' of https://github.com/archey/blackarch into unstable
Revert "added libpst per issue #87"

This reverts commit aa4329ea5fadb126ea48cd9b876059f971c23591.

libpst is in extra.