Free the dependencies of the specific Ubuntu packages. Ensure that test
server is using the latest version of the Ubuntu packages to test
network changes.
The SHA-1 of the provisioned images in docker cache:
qt-test-server-apache2:537fe302f61851d1663f41495230d8e3554a4a13
qt-test-server-squid:9c32f41b19aca3d778733c4d8fb0ecc5955e893c
qt-test-server-vsftpd:f3a9c8d793a77cc007c0e4e481bec01f9e3eeb7e
qt-test-server-ftp-proxy:d7de8b28392d173db512a558ccc84ead8bece2ae
qt-test-server-danted:35607f9b790524cf9690c7d12a9a401696b7b6b5
Change-Id: I4e6c8cb235f1f798274eb52858e06d8755ae626f
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@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>