pidgin: disable dependency tracking
libreoffice: 4.2.0 -> 4.2.2
ack: 2.10 -> 2.12
iw: 3.11 -> 3.14
medit: 1.1.1 -> 1.2.0
Merge branch '3.0' of crux:/home/crux/scm/ports/contrib into 3.0
thunderbird: 24.2.0 -> 24.4.0