Deprecated the web_profiler.position option

Author: javiereguiluz

CHANGELOG.md

@@ -53,6 +53,8 @@ CHANGELOG
    `EventDispatcherDebugCommand`, `RouterDebugCommand`, `RouterMatchCommand`,
    `TranslationDebugCommand`, `TranslationUpdateCommand`, `XliffLintCommand`
     and `YamlLintCommand` classes have been marked as final
+ * Deprecated the `web_profiler.position` config option (in Symfony 4.0 the toolbar
+   will always be displayed at the bottom).
 
 3.3.0
 -----