logstash service improvements

* add logstash-contrib plugins package
* add additional options to the logstash service
udisks: update from 1.0.4 to 1.0.5
atool's configure script uses bashizm

if test "${startperl:0:1}" = "#" ; then
  startperl="\\$startperl"
fi

This results in an error:
checking for perl... /nix/store/6qvjjaywj6qf8jn9splpiz9qap01w36w-perl-5.16.3/bin/perl
./configure: 2264: ./configure.lineno: Bad substitution
builder for ‘/nix/store/nk9y51xlzsbkhswc5cpl3hkryg2xw85g-atool-0.39.0.drv’ failed with exit code 2
Fixed buidling sysstat

https://github.com/NixOS/nixpkgs/issues/4441
update rustc
keepass: Bump version to 2.28
fritzing: add version 0.9.0b

- An open source prototyping tool for Arduino-based projects
gpaste 3.12.3 -> 3.12.3.1
golang: add golint and gotags
Merge pull request #4457 from DamienCassou/gpaste-3.12.3.1

gpaste 3.12.3 -> 3.12.3.1
zarith: update from 1.2.1 to 1.3
Updating go from 1.3.2 to 1.3.3.
Updating inadyn to 1.99.10.

(I wnated the cache-dir option)
Making spidermonkey_185 build on ARM, and so also polkit.
Fix ARM/Arm typo.
Making A/V disabled in tox for ARM.
Create a udev rule for /dev/root

In the installation CD, this ensures that systemd will see a proper
udev node for /dev/root.

Fixes #4399.

Borrowed from

  http://lists.freedesktop.org/archives/systemd-devel/2014-July/020988.html
libsieve: new package
discount: new package
Merge branch 'master' of github.com:ip1981/nixpkgs

Fixes for atool & sysstat