I see you figured out that the file cb.profilenotifier.php was mis-named inside the zip archive. That's what happens when I get rushed to finish something. I am not as careful. Here is the same zip archive as before except with all files named correctly and the other problems you found should be fixed as well. Guess I never noticed the misspelling of the subject parameter and the fact I never combined the pre and post text with the message. I am amazed it has taken this long for someone to tell me about it. This whole plug-in was pretty much a rush job. Hopefully, everything works now. Thanks for your patience.
Version 1.3 was released July 31with all known problems corrected.