Add suspend/resume support to pvectl

Now that the API supports CT suspend/resume, it makes sense to have pvectl
support it, too.  It *does* use different names than vzctl does, but it
seems to make sense to be consistent with the API naming in a PVE utility.
Signed-off-by: Dan Hunsaker <danhunsaker@gmail.com>

bin/pvectl

@@ -74,6 +74,8 @@ my $cmddef = {
 		}],
 
     start => [ 'PVE::API2::OpenVZ', 'vm_start', ['vmid'], { node => $nodename }, $upid_exit],
+    suspend => [ 'PVE::API2::OpenVZ', 'vm_suspend', ['vmid'], { node => $nodename }, $upid_exit],
+    resume => [ 'PVE::API2::OpenVZ', 'vm_resume', ['vmid'], { node => $nodename }, $upid_exit],
     shutdown => [ 'PVE::API2::OpenVZ', 'vm_shutdown', ['vmid'], { node => $nodename }, $upid_exit],
     stop => [ 'PVE::API2::OpenVZ', 'vm_stop', ['vmid'], { node => $nodename }, $upid_exit],
     mount => [ 'PVE::API2::OpenVZ', 'vm_mount', ['vmid'], { node => $nodename }, $upid_exit],