add opengraph tags

source/_includes/custom/head.html

@@ -0,0 +1 @@
+{% include custom/richobject.html %}

source/_posts/2012-06-03-owncloud-4-and-nginx.markdown

@@ -4,6 +4,7 @@ title: "Owncloud and Nginx"
 date: 2012-06-03 17:35
 comments: true
 categories:
+description: my nginx configuration used for owncloud
 ---
 
 **updated at Do 14. Jul 2012**

source/_posts/2012-06-09-use-your-ssh-server-as-a-socks-proxy.markdown

@@ -4,6 +4,7 @@ title: "Use your SSH-server as a socks proxy"
 date: 2012-06-09 13:18
 comments: true
 categories: 
+description: "how to use ssh as a proxy for your browser"
 ---
 
 Sometimes for whatever reason you want a secure internet connection. Maybe because you distrust your local network or your network filter some traffic. Openssh is able to speak the [SOCKS protocol](http://en.wikipedia.org/wiki/SOCKS), which does the trick.

source/_posts/2012-06-30-init-script-for-pyload-on-gentoo.markdown

@@ -3,6 +3,7 @@ layout: post
 title: "Init-Script for pyload on gentoo"
 date: 2012-06-30 21:14
 comments: true
+description: "initscript to run pyload on gentoo as a service"
 categories:
 ---