Made the travis build check the metadata
Merge remote-tracking branch 'nixos/master' into proot

Conflicts:
	pkgs/tools/system/proot/default.nix
sigil: new package
A sigil cleanup
spl: Backport compatibility patches for newer kernels
grsecurity: Update stable and test patches

stable: 3.0-3.14.19-201409282024 -> 3.0-3.14.20-201410062037
test:   3.0-3.16.3-201409282025  -> 3.0-3.16.4-201410062041
add opentracker: free bittorrent tracker project. It aims for minimal resource usage and is intended to run at your wlan router
haskell-trivia: new package
haskell-WAVE: new package
tests.bittorrent: use opentracker as bittorrent tracker
Merge pull request #4403 from jagajaga/fish_update

update fish shell to 2.1.1
haskell-clean-unions: new package
haskell-objective: new package
tibia: update to 10.58
titaniumsdk: Make xcode path configurable
Ditch efi installer tests

They've been broken forever due to weirdness in qemu tests, and they don't add much over installer tests
mumble: 1.2.7 -> 1.2.8
icedtea7_web: update from 1.5 to 1.5.1, potentially fixes CVE-2010-3860
irssi: update from 0.8.15 to 0.8.16
postgresql84: update from 8.4.21 to 8.4.22