autotest/virt-test — pull request #1637 by CongSmile (2014-04-28 09:35:00+00:00)
Title: Seamless migration finished but case wont end fix

currently qemu_vm wont finish migration process in seamless mode.
as different qemu version has differnet case letters of 'true',
ignore the case letters when match it.

Signed-off-by: Cong Li