chore(package): update coveralls to version 2.11.16
chore(package): update coveralls to version 2.11.16

https://greenkeeper.io/
adube/ngeo,camptocamp/ngeo,Jenselme/ngeo,adube/ngeo,camptocamp/ngeo,Jenselme/ngeo,Jenselme/ngeo,Jenselme/ngeo,camptocamp/ngeo,camptocamp/ngeo,camptocamp/ngeo,adube/ngeo,adube/ngeo