BUG: Append the empty frame with columns, #3121#3184

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hayd merged 2 commits intopandas-dev:masterfrom

waitingkuo:fix-append-empty-frame

Apr 3, 2013

Commits on Mar 27, 2013

BUG: Append the empty frame with columns, #3121
waitingkuo
committed

Commits on Apr 3, 2013

Remove the duplicated test cases
waitingkuo
committed