Merge pull request #134 from shoonoise/master

keep up to maestro updating
Closed #135: start_retries support
Merge pull request #136 from mdevaev/start-retries

Closed #135: start_retries support
Remove gns-fetcher. Closed yandex-sysmon/gns#125
Suppose to use yandex-sysmon/docker-gitsplit instead of gns-fetcher
(!) This commit broke maestro.
Remove maestro configs and scripts
Merge branch 'master' of github.com:yandex-sysmon/gns

* 'master' of github.com:yandex-sysmon/gns:
  Remove gns-fetcher. Closed yandex-sysmon/gns#125 Suppose to use yandex-sysmon/docker-gitsplit instead of gns-fetcher (!) This commit broke maestro.
  Closed #135: start_retries support