* wordpress: add alpha and beta storageclass annotation support
* wordpress: use random password if not specified
* wordpress: update MariaDB dep
* wordpress: explicitly set imagePullPolicy
* wordpress: increase resource name truncation and trim '-' suffix
* wordpress: improve storageclass readme description
* wordpress: use built-in toYaml helper
The pod template labels are used as selectors for the deployment, so
they should be the minimal required to uniquely select the
ReplicaSets/Pods. See https://github.com/kubernetes/helm/issues/1390 for
more info about this change.