Revert "update"

This reverts commit a1c6f5c4ccad722793a4cec23932fabb28fdc4d8.

Conflicts:
	OSChina/OSAPIClient.m

Pods/Pods.xcodeproj/xcuserdata/apple.xcuserdatad/xcschemes/Pods-CocoaSec
urity.xcscheme

Pods/Pods.xcodeproj/xcuserdata/apple.xcuserdatad/xcschemes/Pods-NSUserDe
faults-AESEncryptor.xcscheme