am 9b4b74be: am 294c9fb8: Improved graphics for the intruder alert.

Merge commit '9b4b74becf0e99b0a9090758d6337c6615cff1d1'

* commit '9b4b74becf0e99b0a9090758d6337c6615cff1d1':
  Improved graphics for the intruder alert.