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

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branch : GECKO250_2013102300_RELBRANCH
Added FIREFOX_25_0_RELEASE FIREFOX_25_0_BUILD2 tag(s) for changeset de08ee190ca3. DONTBUILD CLOSED TREE a=release

--HG--
branch : GECKO250_2013102300_RELBRANCH