cgit: new package

cgit is a web frontend for git repositories - it is a CGI program to use
with your favourite webserver. Add the latest version, 0.9.2.
aircarck-ng: updating and fixing build

Requested in issue #585
aircrackng: add platform & maintainers
haskell-hledger-lib: update to version 0.21
haskell-hledger-web: update to version 0.21
haskell-hledger: update to version 0.21
Merge pull request #584 from bjornfor/cgit

cgit: new package
Module::Pluggable: Update to 4.8
mysql-connector-java: Updated to 5.1.25
typos
os-specific/linux/microcode/converter.nix: update download location for intel-microcode2ucode.c
haskell-mode: update to current version from git
gnutls: update to 3.2.1

Required also: nettle: update to 2.7.1

I tested that wget works.
haskell-tls-extra: update to version 0.6.4
gnutls: downgrading to the latest in 3.1 series

A test was failing on i686 (not on x86_64):
http://hydra.nixos.org/build/5222124/nixlog/1/tail-reload
crypto++: adding shared object target

We only built the static library, before.