fix doc
support deploy vsftpd
change installcert parameter order
Dev
Cyon.ch DNS API
fix https://github.com/Neilpang/acme.sh/issues/614
fix https://github.com/Neilpang/acme.sh/issues/508
secure debug message
fix syslog doc
fix syslog level
fix syslog
minor use interactive _sleep
fix for freebsd
compatible to openssl 0.9 for hmac function
Nonce
fix https://github.com/Neilpang/acme.sh/issues/627
support nginx mode
Backup
fix https://github.com/Neilpang/acme.sh/issues/488
support syslog
update issue template
minor, rename command
add doc
remove extra space
better hexdump
fix https://github.com/Neilpang/acme.sh/issues/595
support mingw/git-bash
fix https://github.com/Neilpang/acme.sh/issues/593
minor, output thumbprint
add _utc_date function
exe mode
add note info if netcat-openbsd is required.
fix https://github.com/Neilpang/acme.sh/issues/578
support openssl 1.1.0
Add FreeDNS plugin support to acme.sh