Fixed portfolio ordering

portfolio.html

@@ -4,11 +4,13 @@ title: Portfolio
 permalink: /portfolio/
 ---
 
+{% assign ps = site.portfolio | sort:"date-start" %}
+
 <div class="portfolio">
   <div class="line"></div>
   <div class="line-end"></div>
   <div class="line-end-bottom"></div>
-{% for p in site.portfolio %}
+{% for p in ps reversed %}
   <section class="port-elem">
     <div class="side">
       <div class="date">{{ p.date-start }} to {{ p.date-end }}</div>