Merge pull request #42 from nikicat/master

use jsonformatter instead of python-json-logger for json logs
Configurable workers/collectors number, using processes instead of threads for api
Removed **locals() magic
Merge pull request #43 from mdevaev/master

Configurable workers/collectors number, using processes instead of threads for api
Default powny==1.5.0
Bump version: 3.5.0 → 3.6.0
Fixed test
Bump version: 3.6.0 → 3.7.0
migrated to obedient.elk >=1.4
Bump version: 3.7.0 → 3.8.0