Reimplement app initialization.

Now is done from template instead of global code execution
on main namespace.

resources/index.mustache

@@ -12,5 +12,6 @@
     <section id="lightbox" tabindex="2"></section>
     <section id="loader" tabindex="3"></section>
     <script src="{{& jsfile}}"></script>
+    <script>uxbox.main.main()</script>
   </body>
 </html>

src/uxbox/main.cljs

@@ -6,14 +6,12 @@
 ;; Copyright (c) 2015-2016 Juan de la Cruz <delacruzgarciajuan@gmail.com>
 
 (ns uxbox.main
-  (:require-macros [uxbox.util.syntax :refer [define-once]])
   (:require [uxbox.state :as st]
             [uxbox.rstore :as rs]
             [uxbox.ui :as ui]))
 
-(enable-console-print!)
-
-(define-once :setup
+(defn ^:export main
+  []
   (st/init)
   (ui/init-routes)
   (ui/init))