v7.0.0-beta.39

In this release:
b40c641 Refactored shopware recipe
0c7c0b1 Renamed locateBinaryPath() to which()
8cf0f2a Added shell option for runLocally func
101f1a1 Added mysql provisioning
9d38ecd Fixed bug with stuck loop on connect error
8ac587e Added support for hidden keys in yaml files (#2715)
afa7680 Removed var/sessions as a default shared dir in the Symfony recipe (#2720)