Added support for collectd messages. Added support for more than one value in VALUES collectd part. Fixed graphite broker to nicely deal with multiple values. Fixed graphite graphs to support multiple values by showing '.*' of that metric.
Added proper support for counter/derive/absolute datatypes, by taking the derivative. Removed debug logging.
Added collectd_disk.trig example
Fix : test_end_to_end.sh now OK.
Added collectd header in shinken-specific.cfg
Merge pull request #802 from anonimoose/master

Added support for messages, multiple values and derivative approach to derive/absolute/counter types.
ws_arbiter now supports multiple input values.
The ws_arbiter module can now accept a list of metrics to process.
See: http://www.shinken-monitoring.org/forum/index.php/topic,846.0.html
Merge pull request #805 from alexandreboisvert/ws_arbiter_multiple

ws_arbiter now supports multiple input values.
Merge pull request #804 from hlauer0/master

add remote_user_variable from wsgi environment, to use set 'remote_us… …  …er_enable 2'
document, what remote_user_enable 2 setting is doing