Log Message:
Apply a number of changes:

 * Install a dummy log handler to avoid spamming e.g. the irssi-xmpp console
   window in non-debug mode, patch from:

    \ 
https://github.com/mcabber/loudmouth/commit/65fda2c884f2cd70096def29fde5c6b9c1e70ecb

 * Fix build on Darwin

 * Add patch comments and LICENSE.

Bump PKGREVISION.