cloudbox: add CloudBox sub-project

CloudBox is a new testing tool focused on testing cloud installations
It provides a new executable, 'cloudbox'.

CloudBox does not depend on CheckBox
CloudBox depends on plainbox >= 0.2

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
cloudbox: openstack: add openstack specific cloudbox code

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
cloudbox: scripts: add broken copies of some checkbox scripts

Those scripts have undergone mass replacements that changed most
checkbox references to cloudbox. They should be fixed but how that
will work is yet undetermined.

Ideally this patch should never go in

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
cloudbox: jobs: add info, local and resource jobs copied from checkbox

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
cloudbox: scripts: add cloudbox-specific nova and glance test scripts

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
cloudbox: jobs: add folsom test jobs

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
cloudbox: add mk-interesting-graphs.sh

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@canonical.com>