Support for raster mbtiles (issue #13)

public/templates/index.tmpl

@@ -43,8 +43,13 @@
       <div class="item">
         <div class="sample-img"></div>
         <h3>{{name}}</h3>
-        <p>Id: {{@key}} | <a href="/vector/{{@key}}.json">TileJSON</a></p>
-        <a class="btn" href="/vector/{{@key}}/{{viewer_hash}}">X-Ray viewer</a>
+        <p>Id: {{@key}} | <a href="/data/{{@key}}.json">TileJSON</a></p>
+        {{#is_vector}}
+        <a class="btn" href="/data/{{@key}}/{{viewer_hash}}">X-Ray viewer</a>
+        {{/is_vector}}
+        {{^is_vector}}
+        Raster tiles
+        {{/is_vector}}
       </div>
     {{/each}}
     </div>

public/templates/xray.tmpl

@@ -84,7 +84,7 @@
     }
   };
   xhttp.responseType = 'json';
-  xhttp.open('GET', '/vector/{{id}}.json', true);
+  xhttp.open('GET', '/data/{{id}}.json', true);
   xhttp.send();
 
   var propertyList = document.getElementById('propertyList');