kde installer: enable networkmanager. Closes #3433
docs: hint to stop NetworkManager during installation to manually configure the network
enable different useraccount name for gitolite user
nix-prefetch-git: allow dots in submodule names
remove unused doc/quote-literals.xsl
typos
KDE4: fix sound using the old gstreamer approach; the correct way would be to wrap each and every phonon client, or patch phonon's search path
stage-1: fix hibernation for device node symlinks

closes #4995
Fix tex4ht build: our new stdenv lacks CC (why, by the way?) so default to gcc if CC empty
youtube-dl: update from 2014.11.12 to 2014.11.13.3
kde4.konversation: update from 1.5 to 1.5.1
apparmor: update from 2.8.3 to 2.8.4
xvkbd: new expression
fix bluez4 build
bridge-utils: Fail if brctl is not built
fix openobex build
Update pdftk and fix its build
bridge-utils: Cleanup and add patch to correct for broken headers
bridge-utils: Add missing patch
sane: fix multifunctional devices rights conflict with cups