brigade: Helm install fails with brigade/brigade repo per docs

According to https://github.com/Azure/brigade/blob/master/docs/intro/install.md#quick-install-guide:

Add the Brigade repo: helm repo add brigade https://azure.github.io/brigade
Install Brigade: helm install brigade/brigade --name brigade-server

But, as of 9f69ad2, the result is

➜  brigade git:(master) helm repo add brigade https://azure.github.io/brigade
"brigade" has been added to your repositories
➜  brigade git:(master) helm search brigade
NAME                       VERSION    DESCRIPTION
brigade/brigade            0.4.0      Brigade provides event-driven scripting of Kube...
brigade/brigade-project    0.4.0      Create a Brigade project
➜  brigade git:(master) helm install brigade/brigade --name brigade-server
Error: file "brigade/brigade" not found

related to #131