Merge branch 'patches/ws562' into patches/ws558
* patches/ws562: (9454 commits)
VFS: find_above(): Don't add to cache if no cache key. [WS-562]
Perform negative caching of (typically) htaccess files for 5 seconds.
Fixed request trace nesting inconsistency.
FTP: Allow anonymous ftp without TLS even when TLS required.
FTP: Added support for the CCC command.
FTP: Default to PROT P for FTPS.
FTP: Allow FEAT before login.
FTP: Fixed bug in MLSD/MLST handling.
FTP: Extended AUTH TLS config option.
FTP: Fixed SSL data connection.
Pike 8.0: Temporary workaround for SSL/TLS API change.
FTP: Fixed typo in PBSZ error message.
FTP: Support ending the TLS control connection with REIN.
FTP: Added configuration flag to require AUTH TLS.
FTP: Support AUTH TLS (RFC 4217).
FTP: The ftp server is always the server side of TLS.
FTP: Splitted send() into low_send() and send().
Pike 8.0: More SSL/TLS API changes.
FTP: Prepare for supporting AUTH TLS (RFC 4217).
Protocols: Added StartTLSProtocol.
No longer works, and never worked all that well anyway. A new solution will be written in the future
Added and used Protocol.prot_name, since the name of the protocol object
isn't always the same as the name of the actual protocol.
Fixed [Bug 699 (#699)]