OCSP Stapling for stream.

[y82]

in /docs/stream/ngx_stream_ssl_module.xml:

• ssl_stapling

• ssl_stapling_file

• ssl_stapling_responder

• ssl_stapling_verify

• ssl_ocsp

• ssl_ocsp_responder

• ssl_ocsp_cache

[pluknet]

I'd just drop "server-side" from the commit message, it is nowhere in the change.