Tolerate malformed tasks.
Tolerate malformed tasks.

Previous behaviour prevented the scheduler starting. Now, we just log the error and continue.

Signed-off-by: Jon Seymour <44f878afe53efc66b76772bd845eb65944ed8232@ninjablocks.com>

ninjasphere/app-scheduler,ninjasphere/app-scheduler,ninjasphere/app-scheduler,ninjasphere/app-scheduler