ffmpeg_1: update, probably fixing some security issues
libssh: update, incl. features and CVE-2014-0017 fix

Also add pkgconfig to inputs, as it was looked for by cmake.
Dependent packages seem to build fine.

(cherry picked from commit a13200352a15fd35db4cebf90d724230d310809b)
gnutls: Update to 3.2.12, 3.1.22

CVE-2014-0092

Unfortunately, 3.2.12 doesn't pass the tests with Guile bindings
enabled, so I've turned them off in the default build.

(cherry picked from commit 738a5321bcd89452f65df19057367ce004402693)

Conflicts:
	pkgs/development/libraries/gnutls/3.2.nix
	pkgs/top-level/all-packages.nix
gnutls on darwin: drop patch that is integrated now

(cherry picked from commit c2cd9852acdea18f5ed425b17e2db4307cbb0319)
gnutls: disable tests (stopped working after last CVE)

I suppose it's better to have patched untested version than the other way.
libav: minor updates of both branches

(cherry picked from commit 76822ea4d5982e4d247f1c90f00577c5b47854f0)
mupdf: fix CVE-2014-2013 by upstream patch

(cherry picked from commit be58c4f9e484d054311ac062727c95690d24874b)
bind: update to version 9.9.5-W1 (fixes CVE-2013-6230 and CVE 2014-0591)

(cherry picked from commit b0c23548095f464fbb4bae866300c1446e9720e2)

Conflicts (more updates instead of just one):
	pkgs/servers/dns/bind/default.nix
zabbix: Update from 2.2.1 to 2.2.2

Potentially fixes CVE-2012-0031, CVE-2012-0053, CVE-2012-0883,
CVE-2012-2687, CVE-2012-3499, CVE-2012-4558, CVE-2013-1862,
CVE-2013-1896, CVE-2013-2249, CVE-2013-1034, CVE-2013-5143.

(cherry picked from commit 2ea4ec798bd289328aeb164024fb8edf9a9593a4)

Conflicts (auto-solved):
	pkgs/servers/monitoring/zabbix/2.2.nix
ffmpeg (0.10): update, probably fixing some CVEs