v1.0.0

Changelog:

• Add install script
• Add manpage using help2man, helper script for generating manpage
• Reformat help text, add --version (in a format suitable for help2man)
• Use POSIX compliant awk programs instead of GNU awk
• Improve detection of invalid option combinations
• Remove certbot-auto version detection bootstrapping hack
• Improve awk script extracting CA certificate from bundle
• Fix bug with the script not exiting after "Error patching nginx templates"
• Print messages only when not '--quiet', always print errors
• Use capsh instead of su
• Add pre and deploy hooks to cerbot certificate configuration (fixes #48, #56, #154)
• Fix --agree-tos not working
• Rewrite logic for finding CA certificate from chain (fixes #140)
• If certbot >=v2 is detected, override private key type to RSA
  • If certbot is >=2.0.0 apply options while requesting a new certificate
    to obtain a RSA key. Also request a 4096 bit key.
    Fixes #164
• deprecate certbot-auto support, move it to bottom priority
• Fix -L|--letsencrypt-params parsing for argument strings with spaces
  Issues #140 #151
• Change the way certbot-zimbra establishes the list of SAN's (#161)
  • In addition to zimbraPublicServiceHostname it also looks at entries
    added to zimbraVirtualHostname to find all SAN's for the certificate.
• various syntax and coding style changes

Fixes #165