Automated checkin: version bump for firefox 23.0b5 release. DONTBUILD CLOSED TREE a=release

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branch : GECKO230b5_2013071114_RELBRANCH
Added FIREFOX_23_0b5_RELEASE FIREFOX_23_0b5_BUILD1 tag(s) for changeset ce7fb11233cd. DONTBUILD CLOSED TREE a=release

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branch : GECKO230b5_2013071114_RELBRANCH