Merge pull request #7 from shoonoise/master

Add dependencies.
Merge pull request #8 from shoonoise/master

Initial for yandex-sysmon/gns#151
Merge pull request #9 from shoonoise/master

gnsrulescheker -> gns-cli
Add browse-logs command (open kibana page in browser)
Merge pull request #11 from shoonoise/master

Add show-logs command (open kibana page in browser)
Rename gns-cli -> powny-cli