Bug 1015942 - tracking bug for build and release of thunderbird 31.0. r=nthomas

--HG--
rename : mozilla/l10n/all-locales.comm-esr24 => mozilla/l10n/all-locales.comm-esr31
rename : mozilla/release-thunderbird-comm-esr24.py => mozilla/release-thunderbird-comm-esr31.py
rename : mozilla/release-thunderbird-comm-esr24.py.template => mozilla/release-thunderbird-comm-esr31.py.template
rename : mozilla/staging_release-thunderbird-comm-esr24.py => mozilla/staging_release-thunderbird-comm-esr31.py
rename : mozilla/staging_release-thunderbird-comm-esr24.py.template => mozilla/staging_release-thunderbird-comm-esr31.py.template
rename : mozilla2/linux/comm-esr24/release/mozconfig => mozilla2/linux/comm-esr31/release/mozconfig