Build and cache docker images to VirtualBox virtual machine.
1. Download and install the docker tool kits and Apple Bonjour
2. Deploy boot2docker image into VirtualBox via docker-machine commands
3. Use Git Bash to run the shared provisioning scripts
4. Print CPU features to verify that CI has enabled VT-X/AMD-v support
5. Disable Hyper-V from Windows 10 Pro/Enterprise editions
Change-Id: I5520e4a28376aba14f880c077bd7b083be971f0a
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Build and cache docker images based on the configurations in testserver.
1. Move the shared Docker files to common/shared/testserver
2. Deploy boot2docker image into VirtualBox via docker-machine commands.
3. Build and tag the docker images by the SHA-1 of server context.
Change-Id: Ic5a588e5cc5e753ec4c4e2e1bc79917bbd03f95d
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
