Improve CHANGELOG

Author: Rafael Mendonça França

CHANGELOG.md

@@ -5,10 +5,14 @@
 
      *Johnny Shields*
 
+*   Respect `asset_host` and `relative_url_root` to invalidate cache.
+
+    *Lucas Mazza*
+
 *   Assets not in the precompile list can be checked for errors by setting
-     `config.assets.raise_runtime_errors  = true` in any environment
+    `config.assets.raise_runtime_errors = true` in any environment
 
-     *Richard Schneeman*
+    *Richard Schneeman*
 
 
 ### 2.0.1