core: live migrate - log error on failure

In case of shutting down the vm during snapshot
creation part of live migrate, an appropriate
failure AuditLog should be displayed
(in addition, the error should be logged).

Change-Id: Icae61b1c156e2bbb542a8790b310686028cc7a82
Bug-Url: https://bugzilla.redhat.com/957498
Signed-off-by: Daniel Erez <derez@redhat.com>
notifier: perserve notifier.conf

at the end there is no significant configuration modification, leaving
the file as-is will ease migration.

Change-Id: I9546d1e279538641630d139c1c80b1e2ea6b0fde
Signed-off-by: Alon Bar-Lev <alonbl@redhat.com>
engine: Adding quartz configuration to standalone.xml

In order to configure a quartz scheduler his configuration values should be
inside standalone.xml
Removing old configuration file, which is not needed anymore

Change-Id: I3e6f881ff7a8f080de5f18d295b72ceb0d478347
Signed-off-by: Michael Kublin <mkublin@redhat.com>