Patch to support email types and birthdays/anniversaries; script to reformat phone numbers to use parens

[DanHarkless]

Howdy, stachre. Thank you so much for dump-contacts2db! It made my life a heck of lot easier when upgrading to a new major version of Android, since I don't use Google contact syncing. There were just two types of info that your script didn't preserve that I didn't want to lose or have to re-enter manually, so I added support for those: email types (work / home / other) and contact events (birthdays and anniversaries). Starting with Android 5.x, contact events are no longer supported for local contacts, so I had the script also append birthdays and anniversaries to the NOTE field (this also allows "Other" events to be saved, since they aren't supported directly in VCF). Attached is dump-contacts2db.sh.email_types_and_contact_events.patch.txt, which implements this functionality. If you prefer not to include my name on the copyright line, I would be happy to assign my copyright for these changes to you. In that case, however, I would appreciate a mention on the version line. Please do not use my email address if you do so, due to harvester spambots -- thanks.

I also wanted to offer you my script https://secure.harkless.org/dan/software/reformat_contacts2.db_phone_numbers_to_use_parens, which, like the name implies, can be run on one's Android device after doing a VCF import to get around the fact that Contacts' VCF import process reformats (###) ###-#### phone numbers to ###-###-####, which I find much more difficult to read. The script only supports U.S.-style 10-digit phone numbers. If you would like to add it to the dump-contacts2db archive, you would be welcome to it. It, like dump-contacts2db, is GPL'd.

Thanks again for sharing your work!

P.S. You can add Cygwin to the list of tested platforms in the README.