sync
https://github.com/Neilpang/acme.sh/wiki/dns-manual-mode
Patch for #1192
dns_pdns.sh: Allow "." as root zone
Updated --accountemail help
https://github.com/Neilpang/acme.sh/issues/1074#issuecomment-337672763
Fix missing success return value from dns_azure_add/rm
Fixed grammatical errors in CF api
DNS-Manual: better documentation in script
Change the hint that tells you how to use DNS manual (second run needs to be --renew)
Fix problem that digitalocean api failed to remove record
https://github.com/Neilpang/acme.sh/issues/1322