gtkgnutella: update from 1.0.0 to 1.0.1
libtirpc: update from 0.2.3 to 0.2.4, potentially fixes CVE-2013-1950
mailman: update from 2.1.16 to 2.1.17
mod_wsgi: update from 3.3 to 3.4
syslogng: update from 3.1.2 to 3.5.3
youtubeDL: update from 2014.01.07.5 to 2014.01.08
syslog-ng: add missing python build input
all-packages.nix: cosmetic
wireshark: update from 1.10.5 to 1.11.2
gnucash: update from 2.4.15 to 2.6.0