Engine: Informative message when VM starts in Pause mode

Fix bug presented in commit:
426442dd0b6c76237d5ae9c14c7c5905ad975e09

Change-Id: Ie2728997c26ed9ac4021e9c2d4e824a232107a99
Signed-off-by: Shahar Havivi <shavivi@redhat.com>