fix directory redirects

desirae.js

@@ -1038,6 +1038,12 @@
           // TODO why are redirects broken?
           var redirectHtml = Mustache.render(desi.partials.redirect, view);
           entity.redirects.forEach(function (redirect) {
+            if ("" === path.extname(redirect)) {
+              redirect += "/";
+            }
+            if ("/" === redirect[redirect.length - 1]) {
+              redirect += "index.html";
+            }
             compiled.push({
               contents: redirectHtml,
               path: redirect,