ISSUE-2 use celery multi instead of celeryd script, fixes #2
ISSUE-1 reorganize agents #1
ISSUE-4 add hostname handling #4
now can accept metrics from different hosts and show them on charts
ISSUE-4 fix config files and init.d script #4
ISSUE-4 add some logging to cassandra_storage #4
ISSUE-4 small refactoring #4
ISSUE-3 ISSUE-4 add RabbitMQ agent and add keys support #3 #4
ISSUE-4 fix README
ISSUE-4 fix init.d, add postrm
Merge remote-tracking branch 'origin/ISSUE-4'