Implemented Initializr HTML 5 Boilerplate as base.html.twig.
Using assets versioning
Added expires for static files in production .htaccess
Umasking app.php & app_dev.php
Removed web/static/.htaccess
Added Vagrant support with ansible provisioning.
Ignoring vagrant folder
Removed (and ignoring) web/app_dev.php
Changed cache & log folders for dev/test environments.