Adds cppo
openspades: Initial 0.0.12
haskell-cabal-bounds: update Cabal version
haskell-cabal-bounds: GHC 7.8 has only Cabal 1.18
cabal-builder: Use hackage mirror

It's now possible to use the mirror system for the cabal builder.
fetchbzr, fetchdarcs, fetchhg: use `rev` attr

This makes it match the behaviour of fetchgit and fetchsvn, so it's
easier to write scripts that support all of them.
haskell-deepseq-generics: new expression
Merge pull request #3038 from bennofs/fetch-rev-attr

fetchbzr, fetchdarcs, fetchhg: use `rev` attr
SHA2:  new expression
haskel-command-qq: add pkg
Merge pull request #3123 from jagajaga/add_haskell_pkgs

haskell-command-qq: add pkg
Merge pull request #3121 from deepfire/haskell-sha2

SHA2:  new expression
Merge pull request #3117 from bennofs/haskell-deepseq-generics

haskell-deepseq-generics: new expression
Merge pull request #3116 from bennofs/cabal-hackage-mirror

cabal-builder: Use hackage mirror
Merge pull request #3110 from bennofs/update-cabal-bounds

haskell-cabal-bounds: update Cabal version
Merge pull request #3109 from nslqqq/master

OpenSpades: Initial 0.0.12
Merge pull request #3077 from vbgl/cppo

Adds cppo
Added lib output to xfsprogs.

This only contains static archives since xfsprogs is compiled
with dynamic libraries disabled.
Added the ceph filesystem.
Document paths-from-graph.pl somewhat.