Fix extension definitions

Before, extensions were missing the definition of mandatory methods.
At the moment, it's not a problem because the coding guidelines are not
enforced by the code. But in the future, it will break.
Now, extensions have all mandatory method definitions.

xExtension-TitleWrap/extension.php

@@ -1,7 +1,18 @@
 <?php
 
 class TitleWrapExtension extends Minz_Extension {
+	public function install() {
+		return true;
+	}
+
+	public function uninstall() {
+		return true;
+	}
+
+	public function handleConfigureAction() {
+	}
+
 	public function init() {
-                Minz_View::appendStyle($this->getFileUrl('title_wrap.css', 'css'));
+		Minz_View::appendStyle($this->getFileUrl('title_wrap.css', 'css'));
 	}
 }

xExtension-TitleWrap/metadata.json

@@ -1,8 +1,8 @@
 {
 	"name": "Title-Wrap",
-	"author": "₣rans de Jonge, Joris Kinable",
+	"author": "Frans de Jonge, Joris Kinable",
 	"description": "Applies a line-wrap to long article titles, as opposed to truncating the title when it overflows its display area.",
-	"version": 0.1,
+	"version": 0.2,
 	"entrypoint": "TitleWrap",
 	"type": "user"
 }