* CloudFlare provider is missing quotes on a JSON struct tag.
* ACME package has a unnecessary JSON struct tag.
* Route53 provider has an unreachable return.
* new abstraction around storage
* re-work completely to fit new acme package pre-solving paradigm
* vault storage plugin
* add some vendor
* delete old vendor pinning mechanism
* Manual rebase of get-certs branch
* fix endpoints, add verbose flag
* more stable pre-check behaviour
* start of docs
* docs for get-certs
* don't require cert for dnscontrol
* fix up directory paths
* small doc tweaks