Update release config for Fennec-28.0b6-build1

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branch : production
Added tag FENNEC_28_0b6_RELEASE, FENNEC_28_0b6_BUILD1 for changeset a1e58d0f66c1

--HG--
branch : production
Update release config for Firefox-28.0b6-build1

--HG--
branch : production
Added tag FIREFOX_28_0b6_RELEASE, FIREFOX_28_0b6_BUILD1 for changeset 158589379c1d

--HG--
branch : production