Prepare 2.2.5 release

CHANGELOG

+mkdocs-material-2.2.5 (2017-12-18)
+
+  * Fixed #639: Broken default favicon
+
 mkdocs-material-2.2.4 (2017-12-18)
 
   * Fixed #638: Build breaks with Jinja < 2.9

MANIFEST.in

-recursive-include material *.ico *.js *.css *.html *.svg *.yml
+recursive-include material *.js *.css *.html *.svg *.png *.yml
 recursive-exclude site *
 recursive-exclude * __pycache__
 recursive-exclude * *.py[co]

docs/release-notes.md

@@ -12,7 +12,7 @@ To determine the currently installed version, use the following command:
 
 ``` sh
 pip show mkdocs-material | grep -E ^Version
-# Version 2.2.4
+# Version 2.2.5
 ```
 
 ### Material 1.x to 2.x
@@ -38,6 +38,12 @@ pip show mkdocs-material | grep -E ^Version
 
 ## Changelog
 
+### 2.2.5 <small>_ December 18, 2017</small>
+
+* Fixed [#639][639]: Broken default favicon
+
+  [639]: https://github.com/squidfunk/mkdocs-material/issues/639
+
 ### 2.2.4 <small>_ December 18, 2017</small>
 
 * Fixed [#638][638]: Build breaks with Jinja < 2.9