Link to final RFC and bump version to 0.2.12

Cargo.toml

@@ -1,8 +1,8 @@
 [package]
 name = "blake2-rfc"
-version = "0.2.11"
+version = "0.2.12"
 authors = ["Cesar Eduardo Barros <cesarb@cesarb.eti.br>"]
-description = "A pure Rust implementation of BLAKE2 based on the draft RFC."
+description = "A pure Rust implementation of BLAKE2 based on RFC 7693."
 repository = "https://github.com/cesarb/blake2-rfc"
 readme = "README.md"
 keywords = ["blake2", "blake2b", "blake2s", "hash", "crypto"]

README.md

@@ -1,9 +1,8 @@
 # blake2-rfc
 
-This is a pure Rust implementation of BLAKE2 based on the [draft RFC]
-for the BLAKE2 hash functions.
+This is a pure Rust implementation of BLAKE2 based on [RFC 7693].
 
-[draft RFC]: https://tools.ietf.org/html/draft-saarinen-blake2
+[RFC 7693]: https://tools.ietf.org/html/rfc7693
 
 ## Design