chore(package): update eslint to version 2.8.0
chore(package): update eslint to version 2.8.0

http://greenkeeper.io/
linhanyang/keystone,Adam14Four/keystone,matthewstyers/keystone,brianjd/keystone,snowkeeper/keystone,tony2cssc/keystone,cermati/keystone,matthieugayon/keystone,Yaska/keystone,cermati/keystone,ONode/keystone,Yaska/keystone,frontyard/keystone,benkroeger/keystone,xyzteam2016/keystone,dvdcastro/keystone,webteckie/keystone,alobodig/keystone,sendyhalim/keystone,rafmsou/keystone,concoursbyappointment/keystoneRedux,w01fgang/keystone,ratecity/keystone,Adam14Four/keystone,ONode/keystone,jacargentina/keystone,naustudio/keystone,benkroeger/keystone,trentmillar/keystone,xyzteam2016/keystone,michaelerobertsjr/keystone,alobodig/keystone,pswoodworth/keystone,w01fgang/keystone,joerter/keystone,frontyard/keystone,dryna/keystone-twoje-urodziny,qwales1/keystone,michaelerobertsjr/keystone,suryagh/keystone,danielmahon/keystone,suryagh/keystone,matthewstyers/keystone,naustudio/keystone,pswoodworth/keystone,snowkeeper/keystone,everisARQ/keystone,trentmillar/keystone,andrewlinfoot/keystone,webteckie/keystone,Pop-Code/keystone,vokal/keystone,Pop-Code/keystone,matthewstyers/keystone,naustudio/keystone,danielmahon/keystone,everisARQ/keystone,matthieugayon/keystone,andrewlinfoot/keystone,frontyard/keystone,brianjd/keystone,qwales1/keystone,trentmillar/keystone,jstockwin/keystone,jacargentina/keystone,jstockwin/keystone,benkroeger/keystone,vokal/keystone,danielmahon/keystone,concoursbyappointment/keystoneRedux,dvdcastro/keystone,dryna/keystone-twoje-urodziny,pr1ntr/keystone,joerter/keystone,tony2cssc/keystone,andrewlinfoot/keystone,rafmsou/keystone,vokal/keystone,sendyhalim/keystone,pr1ntr/keystone,Yaska/keystone,ratecity/keystone