chore(package): update rollup to version 0.40.0
chore(package): update rollup to version 0.40.0

https://greenkeeper.io/
gund/ng-http-interceptor,gund/ng2-http-interceptor,gund/ng-http-interceptor,gund/ng-http-interceptor,gund/ng2-http-interceptor,gund/ng2-http-interceptor