Update release config for Fennec-31.0b2-build1

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branch : production
Added tag FENNEC_31_0b2_RELEASE, FENNEC_31_0b2_BUILD1 for changeset 7930ac2866cd

--HG--
branch : production
Update release config for Firefox-31.0b2-build1

--HG--
branch : production
Added tag FIREFOX_31_0b2_BUILD1, FIREFOX_31_0b2_RELEASE for changeset 67301b9357e5

--HG--
branch : production