Add support for centos 6.x
No longer used hard coded statsd user
Merge branch 'master' into support-centos-6
Add centos-6.5 to test configuration
In serverspec, force Debian instead of DetectOS to properly detect statsd service for upstart on CentOS 6.
Merge pull request #28 from david-richer-adsk/support-centos-6

Add support for centos 6.x