Updating syntax check for Flattr (see #284)
Flattr IDs are no (longer) Hex but rather "alnum". This fix is not perfect, but at least let's us use current FlattrIDs again.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Flattr IDs are no (longer) Hex but rather "alnum". This fix is not perfect, but at least let's us use current FlattrIDs again.