Update/enhance some module dependencies.

git-svn-id: http://svn.openlayers.org/trunk/openlayers@2543 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers.js

@@ -2,6 +2,9 @@
  * See http://svn.openlayers.org/trunk/openlayers/repository-license.txt 
  * for the full text of the license. */
 
+/* @requires OpenLayers/BaseTypes.js
+ */ 
+
 ////
 /// This blob sucks in all the files in uncompressed form for ease of use
 ///

lib/OpenLayers/Events.js

@@ -2,6 +2,8 @@
  * See http://svn.openlayers.org/trunk/openlayers/repository-license.txt 
  * for the full text of the license. */
 
+/* @requires OpenLayers/Util.js
+ */
 
 OpenLayers.Event = {
   KEY_BACKSPACE: 8,

lib/OpenLayers/Layer.js

@@ -5,6 +5,7 @@
 
 /**
  * @class
+ * @requires OpenLayers/Map.js
  */
 OpenLayers.Layer = OpenLayers.Class.create();
 OpenLayers.Layer.prototype = {

lib/OpenLayers/Layer/WMS.js

@@ -7,6 +7,7 @@
  * @class
  * 
  * @requires OpenLayers/Layer/Grid.js
+ * @requires OpenLayers/Tile/Image.js
  */
 OpenLayers.Layer.WMS = OpenLayers.Class.create();
 OpenLayers.Layer.WMS.prototype = 

lib/OpenLayers/Tile.js

@@ -5,6 +5,7 @@
 
 /*
  * @class 
+ * @requires OpenLayers/Util.js
  * 
  * This is a class designed to designate a single tile, however
  * it is explicitly designed to do relatively little. Tiles store information