Update nginx version to 10.12.0

Add new flag REMOVE_FILES to close richarvey#121

Added OpCache module closes richarvey#123

Merge pull request richarvey#125 from aschonbe/master

[FIX] Composer.phar Installer auto-version SHA

Update to PHP 7.1.2

update to nginx 1.11.10/versioning/composer fix closes richarvey#95

Adding docker compose guide

Fix table syntax in MD