CLOUDSTACK-2121. DOC. New docs for affinity groups.
(cherry picked from commit 2d08a322dd976e696783535a0f3d174483adf155)

Signed-off-by: animesh <animesh@apache.org>
CLOUDSTACK-2121. DOC. New docs for affinity groups.
(cherry picked from commit ee0b1d768af0543d8d023d118d30fbc340da4e83)

Signed-off-by: animesh <animesh@apache.org>
CLOUDSTACK-4520: [upgrade][vmware]ExtractVolumeCmd fails with NPE while
attempting to download a volume.(cherry picked from commit 13d9070d5e11fc8b15156b4d3978446837904641)

Signed-off-by: animesh <animesh@apache.org>
CLOUDSTACK-4516:[Upgrade][VMWare]
MySQLIntegrityConstraintViolationException while performing any task
using local storage after upgrade from 3.0.7 to 4.2.(cherry picked from commit 21cb33a02ce2ff1e1b22af275068451a3ab6add5)

Signed-off-by: animesh <animesh@apache.org>
CLOUDSTACK-4459: one more try, bypass libvirt to find volume if libvirt call failed
(cherry picked from commit cfe3a0fee39379c4ab1fdad9150924b9e46becd6)

Signed-off-by: animesh <animesh@apache.org>