Create V8_2-branch for 2014/2015 stable series.
change master branch version to 8.3.0
fix config tests that expect version to be 8.1
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Merge branch 'V8_2-branch'
more fixes for config tests that expect version to be 8.1
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Merge branch 'V8_2-branch'
fixes for config test that expect version to be 8.2
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