Cleanup bv2013/doSpam.php

Added the following cleanups:
* Run block/bot checks on all wikis, not just those with over 100 eligible voters
* Eliminate name entirely if bot/blocked on any wiki.
* Add check for already-voted users
* Add check for multiple usernames with the same email address

Change-Id: Ic8a408fba1bc0f0ea8dfb6c6ab8819c6a084da9a
Merge "Cleanup bv2013/doSpam.php"