Add default filters to theme templating engine

lib/output/website/createTemplateEngine.js

@@ -6,6 +6,7 @@ var TEMPLATES_FOLDER = require('../../constants/templatesFolder');
 
 var Templating = require('../../templating');
 var TemplateEngine = require('../../models/templateEngine');
+var defaultFilters = require('../../constants/defaultFilters');
 var listSearchPaths = require('./listSearchPaths');
 
 /**
@@ -33,7 +34,7 @@ function createTemplateEngine(output, currentFile) {
     return TemplateEngine.create({
         loader: loader,
 
-        filters: {
+        filters: defaultFilters.merge({
             t: function(s) {
                 return s;
             },
@@ -52,7 +53,7 @@ function createTemplateEngine(output, currentFile) {
             getArticleByPath: function(s) {
                 return undefined;
             }
-        },
+        }),
 
         extensions: {
             'DoExtension': new DoExtension()