implemented GET /tag/{tagLabel}

Author: nleanba

lib/server.js

@@ -289,6 +289,24 @@ server.route({
     }
 });
 
+server.route({
+    method: 'GET',
+    path: '/tag/{label}',
+    config: {
+        handler: (request, h) => {
+            var label = decodeURIComponent(request.params.label);
+            return metaFinder.getDocumentList(request.query.text, makeArray(label), request.query.limit, request.query.offset).catch(e =>
+                h.response({
+                    "statusCode": 404,
+                    "error": "(Title) Not Found",
+                    "message": "Not Found"
+                })
+                .code(404)
+            );
+        }
+    }
+});
+
 server.route({
     method: 'DELETE',
     path: '/tag/{label}',