[1.5]

KitKat compatibility: Require additional permission to read a certificate file from USB storage.

Now uses file manager to find certificates if none found internally.

Added high-resolution images.

[1.4]

Configuration option to not display a notification for "single-red".

Note: on reboot, under some circumstances, the widget won't start. That's a documented Android restriction.

Tap on the widget and "Check now" when it remains grey.