bat: Add test for evacuation and restore
bat: Add test for evacuation and restore

This commit adds a BAT test for evacuation and restore.  A random
instance is started, its node evacuated and then restored.  The
instance is then restarted.

Signed-off-by: Mark Ryan <f16215f7acd0bd7fdc465539215bd574c785b062@intel.com>

tpepper/ciao,markdryan/ciao,ciao-project/ciao,ciao-project/ciao,rbradford/ciao,kaccardi/ciao,01org/ciao,tpepper/ciao,01org/ciao,tpepper/ciao,markdryan/ciao,kaccardi/ciao,rbradford/ciao