Updates default template to use css from local path to allow users rendering via artisan serve. resolves #36

Author: mc0de

resources/views/templates/default.blade.php

@@ -4,7 +4,7 @@
         <title>{{ $invoice->name }}</title>
         <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
 
-        <link rel="stylesheet" href="{{ asset('/vendor/invoices/bootstrap.min.css') }}">
+        <link rel="stylesheet" href="{{ public_path('vendor/invoices/bootstrap.min.css') }}">
 
         <style type="text/css" media="screen">
             * {