chore(package): update eslint to version 3.9.0
chore(package): update eslint to version 3.9.0

https://greenkeeper.io/
kartta-labs/iD,edpop/iD,openstreetmap/iD,ngageoint/hootenanny-ui,edpop/iD,ngageoint/hootenanny-ui,bagage/iD,digidem/iD,kartta-labs/iD,1ec5/iD,1ec5/iD,edpop/iD,morray/iD,kartta-labs/iD,mapmeld/iD,openstreetmap/iD,openstreetmap/iD,AndreasHae/iD,AndreasHae/iD,bagage/iD,bagage/iD,ngageoint/hootenanny-ui,mapmeld/iD,1ec5/iD,morray/iD,AndreasHae/iD,mapmeld/iD,digidem/iD