chore(package): update eslint to version 3.11.1
chore(package): update eslint to version 3.11.1

https://greenkeeper.io/
dryna/keystone-twoje-urodziny,naustudio/keystone,vokal/keystone,rafmsou/keystone,brianjd/keystone,ONode/keystone,ratecity/keystone,matthewstyers/keystone,linhanyang/keystone,danielmahon/keystone,w01fgang/keystone,ONode/keystone,andrewlinfoot/keystone,frontyard/keystone,alobodig/keystone,danielmahon/keystone,benkroeger/keystone,naustudio/keystone,ratecity/keystone,trentmillar/keystone,dryna/keystone-twoje-urodziny,Pop-Code/keystone,andrewlinfoot/keystone,rafmsou/keystone,frontyard/keystone,andrewlinfoot/keystone,Pop-Code/keystone,benkroeger/keystone,benkroeger/keystone,w01fgang/keystone,alobodig/keystone,concoursbyappointment/keystoneRedux,trentmillar/keystone,vokal/keystone,concoursbyappointment/keystoneRedux,brianjd/keystone,matthewstyers/keystone,vokal/keystone,naustudio/keystone,trentmillar/keystone,matthewstyers/keystone,frontyard/keystone,danielmahon/keystone