This removes most references to Google, with some
remaining since they may point to things which are still
relevant. References to Google Code, Google Buzz and
Google Maps have been removed
Orbited plugin may not work at all anymore, I had no means to try it.
But there's a check whether 'LACONICA' is defined there, which is a
very unlikely thing in the future. So far only tests and scripts have
been migrated consistently, though.
