virsh_start: Fix pause bug in cleanup.

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
virsh_start: add cases for more options.

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Merge pull request #117 from yangdongsheng/virsh_start_opt

virsh_start: fix and enhancement. add options --console --autodestroy --force-boot