- Remove @dirrm* from (often automatically generated) plists of GHC and
  all the Haskell Cabal ports

Obtained from:	FreeBSD Haskell
Fix shebangs
- Update pandoc to 1.13.1 and update its dependents as well

  net/hs-hoauth2: 0.4.1 --> 0.4.3
  www/hs-activehs: Bump port revision
  www/hs-gitit: 0.10.5 --> 0.10.6.1

Obtained from:	FreeBSD Haskell
Cleanup plist
Horde package update:

devel/pear-Horde_Alarm 2.2.2 -> 2.2.3
devel/pear-Horde_Core 2.16.0 -> 2.16.1
databases/pear-Horde_Db 2.1.5 -> 2.2.0
mail/pear-Horde_Imap_Client 2.25.2 -> 2.25.3
devel/pear-Horde_Translation 2.1.0 -> 2.2.0
- update to 1.79
- use new jail syntax
- ease migration to pkg