boost-build: Add derivation
boost: 1.55 -> 1.56
boostHeaders: regular boost package now only contains headers
libyamlcpp03: Remove old version
libyamlcpp: Correct meta information and boost
mongodb: Fix build
libedit: Update
fcgi: Update meta
exempi: 2.2.1 -> 2.2.2
boost: Update depdendent packages
ceph: 0.79 -> 0.85
Merge pull request #4085 from wkennington/master.boost

Boost Updates
haskell-libmpd: follow Haskell package conventions

This patch brings libmpd into line with Haskell package conventions,
per feedback from @peti at NixOS/nixpkgs#4190.
Net::Amazon::S3: Add to channel
scrubDrv: Don't scrub the system and meta attributes
Merge pull request #4208 from joachifm/haskell-libmpd-fixes

haskell-libmpd: follow Haskell package conventions
cpuminer-multi: update 20140619 to 20140723
Tidy: gparted and gsmartcontrol are not games.
Merge pull request #4209 from RichardBarrell/gparted-in-games

Tidy: gparted and gsmartcontrol are not games.
nixos: Add also group.members to group