Merge branch 'coreos'
Add documentation for Fluentd and Heka usage
FIX typo
Typo
Update documentation
Update StatsD to a release
Update documentation
FIX #4 : Upgrade to Elasticsearch 1.2.1
FIX #6 : Add shared volume on Vagrant installation
Update CoreOS setup using Etcd and Fleet
FIX typo
Add CoreOS update configuration. Remove Hypersion systemd configuration
Change Elasticsearch setup
FIX #7 : Update Tox / Python tests configuration to test CoreOS hyperion
installation
FIX remove shared volume. Too high CPU
Update volume for Hyperion
Doc
Add CoreOS update configuration. Remove Hypersion systemd configuration
Change Elasticsearch setup

Conflicts:
	Vagrantfile
FIX CoreOS init