Merge branch 'master' into 'stable-3.1'

Marius Burkard

2016-05-04 f6513f0be58f1dd441f3778f8a9d259bbc7267e4

1
2
3
4
 
The installation instructions for ISPConfig can be found here:
 
http://www.ispconfig.org/page/en/documentation.html