- Bugfixes for the VM creation code in OpenStack clouds (sometimes, the VM state
can suddenly flip from ACTIVE to ERROR, and the attachment should stop as soon
as we see the error).

- To better help with testing of the VM creation code in Cloud Adapters, a new
attribute in VM_DEFAULTS - called FORCE_FAILURE - can be used to cause the whole
VM creation to fail (inside the Cloud Adapter code) predictably.
Merge branch 'master' of github.com:ibmcb/cbtool
Merge branch 'master' of github.com:ibmcb/cbtool
Bugfix for host discovery through the OpenStack cloud adapter.

Bugfix for OpenStack Cloud Adapters (sometime the access URL does
not contain two colons (:), and we should deal with it appropriately).

Code cleanup (including proper description) for ibm_daytrader VApp.
Merge branch 'master' of github.com:ibmcb/cbtool