InnerView.getToolbarColour() was expecting a @ColorRes, except all views
were returning integers which were the colour value, not a pointer to
the resource as they should have been. Now only one place requires a
call to getResources().getColor() whereas before it was in each view.
Notifications on pre 4.1 devices require a pending intent to work. This
is so that when you touch the intent, it takes you somewhere meaningfull.
Without it, the update process crashes.
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