Add support to log circus messages to syslog.
Update circusd-stats and circus-plugins to use the same configuration for logging than circusd.
Configure the root logger instead of the circus one in order to support plugins that would use different loggers.
Merge pull request #748 from minddistrict/master

Add support to log circus messages to syslog.
randomize is not compatible with py3.x
removed randomize from py3 tests reqs
make sure we're compatible with all versions of psutil
fixed some leaks in the plugin system and its tests - related to #737
removed time.sleep calls
py2.6 does not have sysconfig
deactivated test_watcher in Travis for now
more skipping
another shot at trying to find out why TRAVIS hates us