Automated checkin: version bump for firefox 25.0b8 release. DONTBUILD CLOSED TREE a=release

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branch : GECKO250b8_2013101507_RELBRANCH
Added FIREFOX_25_0b8_RELEASE FIREFOX_25_0b8_BUILD1 tag(s) for changeset f0c589ed7642. DONTBUILD CLOSED TREE a=release

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branch : GECKO250b8_2013101507_RELBRANCH