* Add resource config for vmware
* Ignore vagrant directory
* Vagrant config use Qt 5.7
* Vagrant support docker provisioner and use Ubuntu 16.04
* Fix paths for Vagrant build
* Update Vagrantfile to match Travis
* Prefer VM providers over docker
* Get apt packages and environment from travis.yml
* Add graphical environment to Vagrantfile
* Use full Qt 5.7.1 download
* Qt5.5.1 link corrected.
* Qt5.5.1 tarball saves to project's root directory
since qt_deps_tarball used to have prefix of /vagrant.
* Add requests to update machine setup for both Travis and Vagrant
* Vagrant: use config variable in place of static string
* Vagrant: init and update submodules