Silence some Hydra evaluation warnings

(cherry picked from commit d304b277bd7a8096b87691e756edfe5d8ed6674d)
Fix simpleTest function

(cherry picked from commit 019e9d8a3deada9dfab21897e73a46b9fa48a6cb)
Try again

(cherry picked from commit af817ae0d8f0cdd414ae24a945ce9c4106352dad)
linux-3.12: bump .17 -> .18

(cherry picked from commit 116d52c6dfecb96860fc9f6f5e12a052df38e074)
Remove outdated remark

(cherry picked from commit 2c70276d96fa911ecfcadbbd25837392d53fd81f)
cups: Start after network.target

http://hydra.nixos.org/build/10661709
(cherry picked from commit d7a7f80aff92224351ded6e87897ba5286d9f819)
Make nscd startup synchronous

Nscd forks into the background before it's ready to accept
connections. So explicitly wait until it's ready.

http://hydra.nixos.org/build/10661767
(cherry picked from commit 23297b0edde896f76ca1392d45e3c27b1422bafe)
Manual: Don't include the platform type of the host system

This causes unnecessary rebuilds of the manual.

http://hydra.nixos.org/build/10662170
(cherry picked from commit cd05320716c08c5da0cf6b0314d6baeb54d0730f)
cups: Add a listenAddresses option

(cherry picked from commit b8d59765e11e20ff8859c93220454a6a84445c1f)
Urgh

Can't figure out why "hostname -s" keeps failing randomly :-(

http://hydra.nixos.org/build/10662142
(cherry picked from commit c52fb449f4c6796a4931ec7f6c723f02e9c21386)
debian: Update to 6.0.9

(cherry picked from commit 1bae93cb8286859754869db3dcb3e4e8097905b7)