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

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branch : MOBILE230_2013073014_RELBRANCH
Added FENNEC_23_0_RELEASE FENNEC_23_0_BUILD1 tag(s) for changeset 394976eb6e58. DONTBUILD CLOSED TREE a=release

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branch : MOBILE230_2013073014_RELBRANCH