Automated checkin: version bump for thunderbird 17.0.2esr release. DONTBUILD CLOSED TREE a=release

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branch : GECKO1702_2013010417_RELBRANCH
Added THUNDERBIRD_17_0_2esr_RELEASE THUNDERBIRD_17_0_2esr_BUILD1 tag(s) for changeset d30f6b14a4f9. DONTBUILD CLOSED TREE a=release

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branch : GECKO1702_2013010417_RELBRANCH