fixed failure of removing framework sometimes#19

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chenxiaoyao wants to merge 3 commits intoalunny:masterfrom chenxiaoyao:master

+9-2

Commits on Oct 24, 2013

fixed failure of removing framework sometimes
chenxiaoyao
committed

Commits on Nov 25, 2013

Merge pull request #1 from alunny/master
chenxiaoyao
committed

Commits on Feb 18, 2014

Merge pull request #2 from alunny/master
chenxiaoyao
committed