lightdm updates (merge #574)

Also fixes the situation where some session stuff is written to nix store.
iodined: Fix iptables and route path to bin instead of sbin
Merge pull request #801 from offlinehacker/iodined

iodined: Fix iptables and route path to bin instead of sbin
haskell-git-annex: update to version 4.20130802
haskell-MissingH: update to version 1.2.0.1

Don't run the check phase to avoid depending on the obsolete testpack package.
haskell-numeric-prelude: update to version 0.4.0.3
haskell-shakespeare: update to version 1.0.5.1
haskell-stylish-haskell: update to version 0.5.7.0
Make iPhone simulator SDKs configurable