[WIP][TASK] Refactor code base before test

   * Prerequirements
      * Symlink Python -> Python 2
      * Package Python-software-properties
   * Redis
   * Postfix
      * Package postfix-policyd-spf-python
   * Users
      * if it all works some changes made
      * .pub to git user
   * MySQL
      # This parts not working like it should yet!!!
   * Nginx
      * Symlink to gitlab site-available instead of just putting it into the site-enabled
   * Gitlab-shell
      *  Git checkout
   * Gitlab
      * Git checkout
      * (TODO)Being installed
      * (Test)Being Setup
      * (Test) Being checked and everything is green