chore(package): update karma to version 1.4.0
chore(package): update karma to version 1.4.0

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