Dockerfile for novolume tag

Summary:
This "nasqueron/nginx-php-fpm:novolume" image allows to be used as
base image for PHP web applications, without setting a volume for
the web application code.

Test Plan: docker build -t nasqueron/nginx-php:novolume .

Reviewers: dereckson

Subscribers: Nasqueron Docker deployment squad

Projects: Docker images

Differential Revision: http://devcentral.nasqueron.org/D329