change git log order,add status type "Rename".#53

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cyqw wants to merge 3 commits intocharleso:masterfrom cyqw:master

+22-4

Commits on Sep 1, 2014

change git log order type to '--topo-order',make sure change list order is correct.
cyqw
committed
modify status "Rename", not check in file in new place.
cyqw
committed

Commits on Sep 9, 2014

R100 means the file only rename or move, less than 100 means the file modified.
hwcy
committed