Added validation for openstack winrm password (cherry picked from commit 288636b36719d25ccc6e81acb554753317b4ebee)
Added validation for openstack winrm password
(cherry picked from commit 288636b36719d25ccc6e81acb554753317b4ebee)

chef/knife-openstack,david-crowder/knife-openstack,BobbyRyterski/knife-openstack,chef/knife-openstack