update NEWS

Reviewed-by: NRichard Levitte <levitte@openssl.org>

NEWS

@@ -34,6 +34,11 @@
         the directory for certs, private key and openssl.cnf exclusively.
       o Reworked BIO networking library, with full support for IPv6.
       o New "unified" build system
+      o New security levels
+      o Support for scrypt algorithm
+      o Support for X25519
+      o Extended SSL_CONF support using configuration files
+      o KDF algorithm support. Implement TLS PRF as a KDF.
 
   Major changes between OpenSSL 1.0.2f and OpenSSL 1.0.2g [1 Mar 2016]