Loadavg collector: use platform independent os.getloadavg() instead of /proc/loadavg
Merge pull request #497 from peterfisher/master

bug fixes
elasticsearch: support for grouping stats for logstash indices

Change-Id: Iba0aee3a8de34ee83e68499d7d5a9ebc947485e5
Merge pull request #498 from rtoma/es

elasticsearch: support for grouping stats for logstash indices
New version of pep8
New version of pyflakes
Doc updates
adding in sidekiqweb collector
Merge pull request #500 from mzupan/master

adding in sidekiqweb collector
pep8
Fixes #499, this fixes the issue where the config bool is parsed as a string
Doc updates
FIXBUG: s in finally is undefined if exception happens

and remove an uneccesary nested try
[rabbitmq_topic] Initial check in of working handler to send data to a rabbitMQ Topic Exchange
Merge pull request #501 from hvnsweeting/hvn_fix_postfix

FIXBUG: s in finally is undefined if exception happens
Collector status for ceph server using command 'ceph -s'
Merge pull request #492 from soxofaan/feature-os-getloadavg

Loadavg collector: use platform independent os.getloadavg() instead of /proc/loadavg
Merge pull request #502 from nvhbk16k53/master

Collector status for ceph server using command 'ceph -s'
Working ELB collector
add methods to avoid repeatedly logging error messages

* keep a dict with the error messages and the last emit timestamp
* and add a way of clearing this dict when required

Signed-off-by: Tomas Neme <lacrymology@gmail.com>