Flexible monitoring - Broker module

 Broker module for shinken monitoring. Broker module gets status from other
 components and manage it (store in database, export to other systems,
 provide remote RPC, ...).
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 Shinken is a new, Nagios compatible monitoring tool, written in Python. The
 main goal of Shinken is to allow users to have a fully flexible architecture
 for their monitoring system that can easily scale to large environments.