removed os.environ from test_flow
gns.d/gns.conf renamed to gns.d/logging.conf, verbosity increased
added Dockerfiles for services
Dockerfile: build nikicat/gns from nikicat/ubuntu-pypy3:12.04
added makefile to rebuild docker images
makefile: added targets to start/clean docker containers
Dockerfile: reverted previous commit
fetcher Dockerfile: do not fetch rules on build
fetcher dockerfile: fixed git repo initialization
Refactoring: gns.service: pep8
Merge pull request #57 from nikicat/master

Dockerfiles added
Added meters support
Added metrics: gns.events_counter and gns.jobs_number
Merge pull request #58 from mdevaev/metrics

Added some metrics
setup: fixed raava version
Merge pull request #59 from mdevaev/metrics

setup: fixed raava version