Bump to 3.0 beta 2 dev.
Bump to 3.0 beta 2 dev.

reviewboard/reviewboard,brennie/reviewboard,chipx86/reviewboard,chipx86/reviewboard,chipx86/reviewboard,brennie/reviewboard,reviewboard/reviewboard,chipx86/reviewboard,brennie/reviewboard,reviewboard/reviewboard,brennie/reviewboard,reviewboard/reviewboard