Update PHP version; fix dockerfile struct

Author: r-brown

README.md

@@ -2,7 +2,7 @@
 
 <p align="center">
 <a href="https://travis-ci.org/Labs64/laravel-boilerplate"><img src="https://travis-ci.org/Labs64/laravel-boilerplate.svg" alt="Build Status"></a>
-<a href="https://github.com/Labs64/laravel-boilerplate/blob/master/composer.json"><img src="https://img.shields.io/badge/php-%3E%3D%205.6-8892BF.svg" alt="PHP Badge"></a>
+<a href="https://github.com/Labs64/laravel-boilerplate/blob/master/composer.json"><img src="https://img.shields.io/badge/php-%3E%3D%207.2.5-8892BF.svg" alt="PHP Badge"></a>
 <a href="https://packagist.org/packages/labs64/laravel-boilerplate"><img src="https://poser.pugx.org/labs64/laravel-boilerplate/v/stable.svg" alt="Latest Stable Version"></a>
 <a href="https://packagist.org/packages/labs64/laravel-boilerplate"><img src="https://poser.pugx.org/labs64/laravel-boilerplate/d/total.svg" alt="Total Downloads"></a>
 <a href="https://packagist.org/packages/labs64/laravel-boilerplate"><img src="https://poser.pugx.org/labs64/laravel-boilerplate/license.svg" alt="License"></a>

dockerfiles/Dockerfile

@@ -1,7 +1,5 @@
 FROM centos:8
 
-MAINTAINER Labs64 GmbH info@labs64.com
-
 # Install some must-haves
 RUN yum -y install vim wget sendmail
 RUN yum -y install git