v1.3.0

• #19: Add option mutable_live_props to support setting last modified file/directory timestamps
  (Jonas Bardino)
• #23: Fix Windows file manager and OSX Finder fails on file names with comma (Jonas Bardino)
• #27: Do not install tests (Erich Seifert)
• #28: New option trusted_auth_header allows reverse proxy authentication (Mageti)
• #30: API change to allow much easier per-user chrooting (Jonas Bardino)
• #32: Fix digest authentication rejected due to invalid header (Adrian Crețu)
• All commits