Merge branch 'support-mongo'

* support-mongo:
  add Mongo Support to the Readme
  added php-mongodb extension
  simple reformatting
  set the original volume path
  get mongo volum from the data container
  added mongodb driver for php5.5 5.6
  added mongodb image + PHP7 driver

Fix Conflicts in:
	docker-compose.yml
	php-fpm/Dockerfile-55
	php-fpm/Dockerfile-56
	php-fpm/Dockerfile-70
	php-fpm/laravel.ini

php-fpm/Dockerfile-56

@@ -25,6 +25,9 @@ RUN pecl install memcached \
 RUN pecl install xdebug \
     && docker-php-ext-enable xdebug
 
+# Install mongodb driver
+RUN pecl install mongodb
+
 RUN usermod -u 1000 www-data
 
 WORKDIR /var/www/laravel