Use helm_apply and misc fixes

charts/kubernetes-dashboard/deploy.sh

@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+TOP="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"
 
 version="v2.0.4"
 namespace=kubernetes-dashboard
@@ -7,8 +8,11 @@ charts=(
     dashboard-ingress.yaml
 )
 
+cd $TOP
 . ../config.sh
+
 kubectl_apply_files $namespace "${charts[@]}"
+
 kubectl apply \
   -n $namespace \
   -f https://raw.githubusercontent.com/kubernetes/dashboard/$version/aio/deploy/recommended.yaml