Upstream: fixed tcp_nopush with gRPC. With gRPC it is possible that a request sending is blocked due to flow control. Moreover, further sending might be only allowed once the backend sees all the data we've already sent. With such a backend it is required to clear the TCP_NOPUSH socket option to make sure all the data we've sent are actually delivered to the backend. As such, we now clear TCP_NOPUSH in ngx_http_upstream_send_request() also on NGX_AGAIN if c->write->ready is set. This fixes a test (which waits for all the 64k bytes as per initial window before allowing more bytes) with sendfile enabled when the body was written to a file in a different context.

geo2nginx.pl 		by Andrei Nigmatulin

	The perl script to convert CSV geoip database ( free download
	at http://www.maxmind.com/app/geoip_country ) to format, suitable
	for use by the ngx_http_geo_module.


unicode2nginx		by Maxim Dounin

	The perl script to convert unicode mappings ( available
	at http://www.unicode.org/Public/MAPPINGS/ ) to the nginx
	configuration file format.
	Two generated full maps for windows-1251 and koi8-r.


vim			by Evan Miller

	Syntax highlighting of nginx configuration for vim, to be
	placed into ~/.vim/.