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Squashed commit of the following:

commit 570202459ec62d94a6b57bf255bcbe509eebc866
Author: sshwsfc <sshwsfc@gmail.com>
Date:   Thu May 9 17:55:01 2013 +0800

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commit 3c6ca43fda217152d055ac25d25139ae0d9c8404
Author: sshwsfc <sshwsfc@gmail.com>
Date:   Thu May 9 17:47:27 2013 +0800

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commit fcd287a179a8ad7dd95e690c68486e29d2defdd1
Author: sshwsfc <sshwsfc@gmail.com>
Date:   Thu May 9 16:58:53 2013 +0800

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commit 63181b705c51fb3580c4b1d5a4f9f880671d4c29
Author: sshwsfc <sshwsfc@gmail.com>
Date:   Thu May 9 16:54:25 2013 +0800

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commit 92ddf3b1d5fdee8af8c29eb41ee332813036e3f4
Author: sshwsfc <sshwsfc@gmail.com>
Date:   Thu May 9 16:24:40 2013 +0800

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commit e9dd47ad28ff207fc18b8db5e9ef35aaccba59dd
Author: sshwsfc <sshwsfc@gmail.com>
Date:   Thu May 9 16:21:26 2013 +0800

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commit 746d60d00f224f4e3631ad392ea73319d5764964
Author: sshwsfc <sshwsfc@gmail.com>
Date:   Thu May 9 16:18:43 2013 +0800

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commit 425623b71a242058819efac55c03bc0e74404eec
Author: sshwsfc <sshwsfc@gmail.com>
Date:   Thu May 9 16:14:28 2013 +0800

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commit b9401b6fa0f1167a1da8cc19858bef2a9bc2eb11
Author: sshwsfc <sshwsfc@gmail.com>
Date:   Thu May 9 16:12:13 2013 +0800

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commit 78c492f7e292cb0d386beafdf897f30388b9726a
Author: sshwsfc <sshwsfc@gmail.com>
Date:   Thu May 9 16:09:26 2013 +0800

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commit 947c81ca09375a0faf622c51ea8316cf16ece46a
Author: sshwsfc <sshwsfc@gmail.com>
Date:   Thu May 9 15:48:59 2013 +0800

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commit b373842be58530910b7d0514ad96faac2a89906c
Author: sshwsfc <sshwsfc@gmail.com>
Date:   Thu May 9 15:40:19 2013 +0800

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commit cbbce61f0775d515e37ad7bdfe42f8d7d3bac9b0
Author: sshwsfc <sshwsfc@gmail.com>
Date:   Thu May 9 15:36:47 2013 +0800

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commit d3e49d804e2efcb848936ca1f75cb4395add9c71
Author: sshwsfc <sshwsfc@gmail.com>
Date:   Thu May 9 15:01:09 2013 +0800

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