Flash notifications [1/3]

Trigger the camera LED when a notification is received

TO DO:
add customizable flash patterns ? per package ? meh...

Change-Id: I738b7dab5f0aa942023d812776f0c8a62ea5e8d9
Revert "Flash notifications [1/3]"

... even the white space is wrong.

Might have been pushed accidentally.

This reverts commit e1865f1762710ba86774445885ed9087f4e13ad6.

Change-Id: Ia90b40e087cc3ead3525b98ba446913cdb3883da