BUG: Fix broken YearBegin offset. Closes #2844.#2883

Merged

wesm merged 4 commits intopandas-dev:masterfrom

jseabold:fix-2844

Apr 8, 2013

Commits on Mar 17, 2013

Commits on Mar 28, 2013

TST: Use correct expectations for AS in tests
jseabold
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