chore(package): update eslint to version 2.7.0
chore(package): update eslint to version 2.7.0

http://greenkeeper.io/
pgiraud/ngeo,Jenselme/ngeo,adube/ngeo,camptocamp/ngeo,kalbermattenm/ngeo,camptocamp/ngeo,pgiraud/ngeo,adube/ngeo,kalbermattenm/ngeo,Jenselme/ngeo,camptocamp/ngeo,adube/ngeo,camptocamp/ngeo,Jenselme/ngeo,adube/ngeo,ger-benjamin/ngeo,Jenselme/ngeo,camptocamp/ngeo,ger-benjamin/ngeo,ger-benjamin/ngeo,pgiraud/ngeo,kalbermattenm/ngeo