upgrade docker-compose to v3

Merge pull request laradock#1466 from fenech/master

Add missing syntax to continue line

Merge pull request laradock#1438 from pangminfu/apache-docroot-path

Apache document root path configurable with env file

Merge pull request laradock#1345 from jdxia/master

workspace container adds swoole

replace .dev with .test to avoid issues with the new google chrome

Merge pull request laradock#1293 from Rhymond/patch-1

Compatibility for COMPOSE_FILE

Merge pull request laradock#1262 from jeff-h/issue-171

Fixes laradock#353 and allows easier dev & prod environments

Merge pull request laradock#1253 from gbroques/fix-logo-covers-links-…

…in-mobile-drawer-menu

Fix logo covering links in mobile drawer menu (Closes laradock#1252)

Merge pull request laradock#1240 from JeromeDesseaux/master

solving python issue when using INSTALL_NODE=true and VueJS with Laravel.

Merge pull request laradock#1210 from nellonican/fix-env-vars

Fix variable issues.