pythonPackages.cvxopt: added package
python: make 2.6 and 2.7 expr similar, introduce includeModules

When includeModules is true, python is built with all optional modules
as part of derivation.
pythonFull -> python with all modules, pythonFullWithPkgs -> buildEnv
New package: runit 2.1.2
openssl: 1.0.1i -> 1.0.1j (CVE-2014-3513, CVE-2014-3567, CVE-2014-3568)
gnulib: update to version 0.1-228-gb155b06
nixos/logrotate: Specify type for config option
xcodeenv: Reimplement simulator script to work with Xcode 6
titaniumenv: Use new xcodeenv simulate function in the example app
travis build: Revert silly idea

nox-review should review against master, it's travis that should check out a hydra-available master commit to set the PR on. Perhaps we could rebase the current HEAD on the hydra-built commitish instead?
travis build: oops

Evaluation is too long - shouldn't have removed /dev/nulling

I wish I had a travis test environment :sad:
Revert "sqlite: Update to 3.8.6"

This reverts commit f7acce83fc8e7ffdfba4e54758e8e19bc55d2432.

Breaks tests for perlPackages.DBIxClass

cc @edolstra
nixos/syslog-ng: Add option configHeader
dovecot: Update from 2.2.13 to 2.2.14
nixos/logrotate: Fix spelling mistake
logstalgia: update from 1.0.5 to 1.0.6
fix mpdcron
firefox: use -O3 on 32bit linux to reduce memory usage on linker
pypy: disable test_zipfile64 because timeouts
python27: Remove avoid daemon thread shutdown #i21963