Pullups for 2.2-rc2:

#371, Link to license broken
 #376, Fix tile.clear() calls that got overrun during removal of Prototype.js
 #374, Need to bring up new licenses into 2.2 Branch
 #336, create OpenLayers.Layer.Graphic to layers created with simple static images
 #375, No need to exlude Yahoo.js from singlefile build


git-svn-id: http://svn.openlayers.org/branches/openlayers/2.2@1740 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

tests/list-tests.html

@@ -11,6 +11,7 @@
     <li>test_Events.html</li>
     <li>test_Util.html</li>
     <li>test_Layer.html</li>
+    <li>test_Layer_Image.html</li>
     <li>test_Layer_EventPane.html</li>
     <li>test_Layer_FixedZoomLevels.html</li>
     <li>test_Layer_HTTPRequest.html</li>