git: fix gitweb.cgi runtime dependency on gzip

gitweb.cgi uses gzip for creating "snapshots". Without this patch it
doesn't work.
Merge pull request #472 from bjornfor/git

git: fix gitweb.cgi runtime dependency on gzip
haskell-fclabels: update to version 1.1.6
haskell-zeromq3-haskell: update to version 0.3.1
haskell-shakespeare: patch to fix build with GHC 7.0.4
haskell-pretty-show: add old version 1.2, which still builds fine with GHC 7.0.4
haskell-wai-handler-launch: add version 1.3.1.4
haskell-checkers: add version 0.3.1
ghc-wrapper: install the GHC documentation into the user's profile

The freaky implementation was done that way in order to avoid unnecessary
re-builds of all Haskell packages by changing the wrapper script used
internally in those builds.

See <https://github.com/NixOS/nixpkgs/pull/466> for further details.
bump openEXR to 1.7.1
bump Soprano to 2.9.0
Add a working mirror for xcb-util-renderutil
Add KDE 4.10.2. Not ready for production yet, but does compile.
Fixing the startup script of freenet; I forgot the shebang
guile: update to 2.0.9
guile: fix non-GNU builds
xfce4notifyd: bugfix update, check now, minor fixes
Update E prover
ghc: add version 7.6.3 (and a corresponding package set)
all-packages.nix: strip trailing whitespace