Automated checkin: version bump for firefox 23.0b8 release. DONTBUILD CLOSED TREE a=release

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branch : GECKO230b8_2013072219_RELBRANCH
Added FIREFOX_23_0b8_RELEASE FIREFOX_23_0b8_BUILD1 tag(s) for changeset 8b103274f2d1. DONTBUILD CLOSED TREE a=release

--HG--
branch : GECKO230b8_2013072219_RELBRANCH