Changed the terms 'whitelist' and 'blacklist' to 'allowed callers' and 'blocked callers'. Also added a dialog that tells users they can't change alert settings when Urgent Call is off
Enabled the disclaimer and the check for lite and pro vesions again, and updated the intro to the disclaimer slightly
Prettied up the time format displayed on the snooze timer text, and the distance it is below the button
Removed unnecessary imports, added the paid vs. free functionality