Update release config for Fennec-31.0b6-build2

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branch : production
Added tag FENNEC_31_0b6_RELEASE, FENNEC_31_0b6_BUILD2 for changeset 04c2c0d854ad

--HG--
branch : production
Update release config for Firefox-31.0b6-build2

--HG--
branch : production
Added tag FIREFOX_31_0b6_BUILD2, FIREFOX_31_0b6_RELEASE for changeset 0d9d34d3a9b7

--HG--
branch : production