Merge pull request #1004 from alexcrichton/release

Update for 1.23.0

Author: alexcrichton

_config.yml

@@ -1,18 +1,18 @@
 name: The Rust Programming Language
-stable: "1.22.1"
-stable_date: "2017-11-22"
-stable_blog: "https://blog.rust-lang.org/2017/11/22/Rust-1.22.html"
-stable_full_version: "rustc 1.22.1 (05e2e1c414 2017-11-22)"
-beta: "1.23"
-beta_date: "2017-11-21"
-nightly: "1.24"
+stable: "1.23.0"
+stable_date: "2018-01-04"
+stable_blog: "https://blog.rust-lang.org/2018/01/04/Rust-1.23.html"
+stable_full_version: "rustc 1.23.0 (766bd11c8 2018-01-01)"
+beta: "1.24"
+beta_date: "2018-02-15"
+nightly: "1.25"
 channels:
   - name: "stable"
-    vers: "1.22.1"
-    package: "1.22.1"
+    vers: "1.23.0"
+    package: "1.23.0"
   - name: "beta"
-    vers: "1.23"
+    vers: "1.24"
     package: "beta"
   - name: "nightly"
-    vers: "1.24"
+    vers: "1.25"
     package: "nightly"