CLOUDSTACK-6743: Use edge-triggering in MessageDetector to handle bogus wakeup gracefully. Level triggering plus bogus wakeup can cause a tight loop to spin
CLOUDSTACK-6744 > UI > zone wizard > baremetal hypervisor > support EIP ELB feature.
bugfix: systemvm template build failed

since newer vboxmanage generates $appliance-$branch-vmware-disk3.vmdk
Fix for Marvin utils.py:checkVolumeSize Fix for test_01_create_volume to use the correct volume name for XenServer

Signed-off-by: SrikanteswaraRao Talluri <talluri@apache.org>