Added keywords and tags to examples. People who want to help clean up our examples collection should look for the cleanup tag. Patch created by marcjansen during the FOSS4G 2009 and 2010 code sprints. Thanks! p=marcjansen, r=me (closes #2830)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@10730 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

examples/attribution.html

@@ -34,7 +34,7 @@
         <h1 id="title">Attribution Example</h1>
 
         <div id="tags">
-            copyright watermark logo attribution
+            copyright, watermark, logo, attribution
         </div>
 
         <p id="shortdesc">
@@ -47,7 +47,7 @@
             This is an example of how to add an attribution block to the OpenLayers window.  In order to use an
             attribution block, an attribution parameter must be set in each layer that requires attribution. In
             addition, an attribution control must be added to the map, though one is added to all OpenLayers Maps by default. 
-            Be aware that this is a layer *option*: the options hash goes in
+            Be aware that this is a layer <strong>option</strong>: the options hash goes in
             different places depending on the layer type you are using.  
         </div>
     </body>