增加surfs部分的代码#1236

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wh872743880 wants to merge 3 commits intozstackio:masterfrom

wh872743880:master

Commits on Mar 28, 2018

Add rollback for local volume migrate state change

AlanJager
authored and
WangHe
committed
rename sqlfile
WangHe
committed

Commits on Apr 8, 2018

update surfs PrimaryStorageFactory
WangHe
committed