enable mult domains in qiniu deploy hook

[sillydong]

Enable mult domains in qiniu deploy hook.

By seperating domains with "," or " ", user can deploy same wildcard domain certification to mult domains in qiniu.

For example a.example.com and b.example.com can share the same certification which generated with domain *.example.com

command: export QINIU_AK="AK" export QINIU_SK="SK" QINIU_CDN_DOMAIN="a.example.com,b.example.com" acme.sh --deploy -d example.com --deploy-hook qiniu

[Neilpang]

请先把 ci 错误修复了.