Merge pull request #11 from nikicat/master

added .travis.yml
GNS==0.3
Merge pull request #12 from mdevaev/version-bump

GNS==0.3
Support multi ssh keys
Merge pull request #14 from mdevaev/multi-ssh-keys

Support multi ssh keys
renamed obedient/gns to obedient/powny
rename paths and variables to powny
refactored to reduce paths duplication and support custom elasticsearch for logs