Improve EmailProcessor for inbound emails to my personal inbox

At the moment bin/EmailProcessor.php is only useful if you're willing to have ALL the emails that come into your personal inbox filed in civicrm (unlikely) or when you're sending from your email program and bcc a special address you've set up and point the EmailProcessor at.

So it does not handle the case where an email has come into my personal inbox and I want to file it as an email activity in civicrm that appears for that contact and also others in the to and cc fields and also for my contact record. I can't forward it to the special address because then the header information is unavailable for the processor to parse - it would only see my email address.

Forwarding it to the special address could work if the processor scanned the body looking for emails too, but some email programs hide the email addresses, so the processor would need to recognize name and name variations.