SSL: fixed build with LibreSSL 2.8.0 (ticket #1605). LibreSSL 2.8.0 "added const annotations to many existing APIs from OpenSSL, making interoperability easier for downstream applications". This includes the const change in the SSL_CTX_sess_set_get_cb() callback function (see 9dd43f4ef67e), which breaks compilation. To fix this, added a condition on how we redefine OPENSSL_VERSION_NUMBER when working with LibreSSL (see 382fc7069e3a). With LibreSSL 2.8.0, we now set OPENSSL_VERSION_NUMBER to 0x1010000fL (OpenSSL 1.1.0), so the appropriate conditions in the code will use "const" as it happens with OpenSSL 1.1.0 and later versions.

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/.