CLOUDSTACK-4646: Increase the wait time for the routers to go into stopped state

Signed-off-by: venkataswamybabu budumuru <venkataswamybabu.budumuru@citrix.com>
CLOUDSTACK: 4706 - Adding missing method get_region in common.py

Signed-off-by: venkataswamybabu budumuru <venkataswamybabu.budumuru@citrix.com>
(cherry picked from commit 503fe75dc93be209f0382ddf9c0b548009342565)