Ensure that aux_msidset telemetry is complete for maneuver event processing

Fix this problem, which was presumably due to the unavailability of `one_shot` values for a maneuver where the primary telem was there.

```
2014-09-07 08:43:56,033 Updating Manvr events from 2014:228:12:43:03 to 2014:250:12:43:10
Traceback (most recent call last):
  File "/proj/sot/ska/share/kadi/update_events", line 12, in <module>
    update_events.main()
  File "/proj/sot/ska/arch/x86_64-linux_CentOS-6/lib/python2.7/site-packages/kadi-0.11-py2.7.egg/kadi/update_events.py", line 208, in main
    update(EventModel, date_stop)
  File "/proj/sot/ska/arch/x86_64-linux_CentOS-6/lib/python2.7/site-packages/kadi-0.11-py2.7.egg/kadi/update_events.py", line 119, in update
    events = EventModel.get_events(date_start, date_stop)
  File "/proj/sot/ska/arch/x86_64-linux_CentOS-6/lib/python2.7/site-packages/kadi-0.11-py2.7.egg/kadi/events/models.py", line 151, in wrapper
    return func(*args, **kwargs)
  File "/proj/sot/ska/arch/x86_64-linux_CentOS-6/lib/python2.7/site-packages/kadi-0.11-py2.7.egg/kadi/events/models.py", line 1505, in get_events
    aux_msidset['one_shot'])
  File "/proj/sot/ska/arch/x86_64-linux_CentOS-6/lib/python2.7/site-packages/kadi-0.11-py2.7.egg/kadi/events/models.py", line 151, in wrapper
    return func(*args, **kwargs)
  File "/proj/sot/ska/arch/x86_64-linux_CentOS-6/lib/python2.7/site-packages/kadi-0.11-py2.7.egg/kadi/events/models.py", line 1466, in get_one_shot
    np.max(one_shot_msid.times)))
ValueError: Unable to find complete data for one-shot attitude value 1789839 1789839 526415871.056 524580251.275 526414835.225