Adding some comments for the API

Adding .jshintrc file

Change-Id: Ib15a3b3ce2c37933b62ccb112a38b1d61051ca16

.jshintrc

@@ -0,0 +1,10 @@
+{
+	"predef": [
+		"mediaWiki",
+		"jQuery",
+		"QUnit"
+	],
+
+	"browser": true,
+	"supernew": true
+}

ApiThank.php

@@ -1,5 +1,10 @@
 <?php
-
+/**
+ * API module to send thanks notifications
+ *
+ * @ingroup API
+ * @ingroup Extensions
+ */
 class ApiThank extends ApiBase {
 	public function execute() {
 
@@ -67,7 +72,7 @@ class ApiThank extends ApiBase {
 	public function getParamDescription() {
 		return array(
 			'rev' => 'A revision ID for an edit that you want to thank someone for',
-			'token' => 'An edit token',
+			'token' => 'An edit token (to prevent CSRF abuse)',
 			'source' => "A short string describing the source of the request, for example, 'diff' or 'history'",
 		);
 	}

modules/ext.thanks.thank.js

@@ -20,6 +20,7 @@
 			$thankLink.remove();
 		} )
 		.fail( function( errorCode, details ) {
+			// TODO: use something besides alert for the error messages
 			switch( errorCode ) {
 				case 'invalidrevision':
 					alert( mw.msg( 'thanks-error-invalidrevision' ) );