Revert "Merge branch 'master' of https://github.com/jonechina/weibo-ios-client-in-20140223"

This reverts commit 2f31bdba5314088befb8db6e2ee06e2fe8f7a720, reversing
changes made to 2f41e15e3557f93df4eeef20b8a7a7c443fbeded.
Revert "Revert "Merge branch 'master' of https://github.com/jonechina/weibo-ios-client-in-20140223""

This reverts commit 92165e0d9816ce54c223e0373d78766b35780a52.
Revert "Revert "Revert "Merge branch 'master' of https://github.com/jonechina/weibo-ios-client-in-20140223"""

This reverts commit 7580636574f7f0ee5a64b8010eac208f1924c6bb.