packaging: ovirt-engine-3.4.0

- Updated dependencies
- Updated maven artifact versions to 3.4.0
- Updated version / release to 3.4.0-1

Change-Id: I2c8d9ff3f4d838098c56683ef39a628b8e4347cd
Bug-Url: https://bugzilla.redhat.com/1024889
Bug-Url: https://bugzilla.redhat.com/1069193
Signed-off-by: Sandro Bonazzola <sbonazzo@redhat.com>