Optimize code in Base view
Optimize code in server view
Update lib NimbusBase
Optimize code in NITAppDelegate
Delete NMBase+NIT
Optimize code in NMBServer+NIT
Add iCloud cell into base view
Enable iCloud
Move sync to base view
Update binary
Remove synchronize in Server View
Remove comments
Optimize code in cell views
Use local data when migrate to iCloud
	modified:   Venders/NimbusBase/libNimbusBase.a
Use account contains iCloud
Judge if the server can auth due to other server.authState !=
    NMBAuthStateOut
Use notification instead of callback to handle sync fail