Add link to full image version

Allow visitor to grep full image.

Resources/Private/Templates/ContentElements/Image.html

@@ -6,7 +6,7 @@
     <f:section name="Content">
         <f:for each="{images}" as="image">
             <figure>
-                <f:image image="{image}" maxWidth="1030" />
+                <a href="{f:uri.image(image: image)}" target="_blank"><f:image image="{image}" maxWidth="1030" /></a>
                 <figcaption>Figure i{image.originalFile.uid}: {image.description}</figcaption>
             </figure>
         </f:for>