Bug 680131: Replace the MPL 1.1 license by the MPL 2.0 one in all files, and add it to files which miss one
r=kiko r=mkanat r=mrbball a=LpSolit

Bug 515606: Fix the arguments of Bugzilla::Job::Mailer->retry_delay--it's actually a class method, not just a subroutine
Patch by Max Kanat-Alexander <mkanat@bugzilla.org> r=LpSolit, a=mkanat

Patch By Max Kanat-Alexander <mkanat@bugzilla.org> and Mark Smith <mark@plogs.net> r=glob, a=mkanat