[NEW]
  - Added Makefile to build docker images
[NEW]
  - Added fig.yml to use fig to test images
Added libxml2-dev and libxslt-dev as python dependencies
Added Makefile settings
[NEW]
  - Added serf role as variable environment

[FIX]
  - Split installation of software-properties-common and nginx packages
Fix comments
[NEW]
  - MySQL Dockerfile
    - Ships with MySQL 5.5 from Ubuntu repository
    - Ships with serf
[NEW]
  - Wordpress Dockerfile
    - Ships with upstream Wordpress 4.0
    - Ships with serf
    - connect automatically to mysql container thanks to serf
[NEW]
  - PHP Dockerfile
    - Ships with nginx
    - Ships with php-fpm
    - Ships with serf
Change nginx supervisor config file from nginx.conf to nginx-supervisor.conf
[FIX]
  - removed /etc/nginx from volumes
  - removed nginx conf folder
  - add nginx.conf
  - renamed nginx.conf to nginx-supervisor.conf
Remove /etc from volumes
Nginx configuration file (/etc/nginx/nginx.conf)