[cfe-dev] bugzilla change

[Chris Lattner]

FYI, I changed bugzilla to simplify it a bit.  I removed all of the different priority levels (P1-5) so that we now just have one priority (I couldn't figure out how to remove the field) and simplified the severity field to only include "enhancement" "normal" and "release blocker".

There was some confusion about why bugs were "just a p5" etc, hopefully that is defined away now.

-Chris