Adds external URL to the recipe

templates/recipe.html.tmpl

@@ -12,6 +12,10 @@
       <div id="content">
         <h1>{{.name}}</h1>
 
+        {{if ne .url ""}}
+        <a class="recipe-url" href="{{.url}}">External URL</a>
+        {{end}}
+
         {{$recipeImage := recipeImage .path}}
         {{if ne $recipeImage ""}}
         <img class="recipeimage" src="{{$recipeImage}}" />
@@ -21,8 +25,9 @@
         <ul>
           {{$m := .recipe.Metadata}}
           {{$nameKey := .nameKey}}
+          {{$urlKey := .urlKey}}
           {{range $k := sortedMetadataKeys $m}}
-            {{if ne $k $nameKey}}
+            {{if and (ne $k $nameKey) (ne $k $urlKey)}}
             <li><em>{{$k}}:</em> {{index $m $k}}</li>
             {{end}}
           {{end}}