Adding sample code to TemplateParser::processTemplate() docs

Also reverting punctuation that was accidently changed in
change I28cd13d4d.

Change-Id: I1283fbfbaf8cefbbc951599ee286d923b9dedf65

includes/TemplateParser.php

@@ -166,6 +166,16 @@ class TemplateParser {
 
 	/**
 	 * Returns HTML for a given template by calling the template function with the given args
+	 *
+	 * @code
+	 *     echo $templateParser->processTemplate(
+	 *         'ExampleTemplate',
+	 *         array(
+	 *             'username' => $user->getName(),
+	 *             'message' => 'Hello!'
+	 *         )
+	 *     );
+	 * @endcode
 	 * @param string $templateName The name of the template
 	 * @param mixed $args
 	 * @param array $scopes

includes/templates/NoLocalSettings.mustache

@@ -31,7 +31,7 @@
 				<p>Please <a href="{{path}}mw-config/index.{{ext}}">complete the installation</a> and download LocalSettings.php.</p>
 			{{/installerStarted}}
 			{{^installerStarted}}
-				<p>Please <a href="{{path}}mw-config/index.{{ext}}">set up the wiki</a> first!</p>
+				<p>Please <a href="{{path}}mw-config/index.{{ext}}">set up the wiki</a> first.</p>
 			{{/installerStarted}}
 		{{/localSettingsExists}}
 		</div>