181121-cyberanomaly and cyberanomaly2 
    used for hanif 's project. completely waste of time

For the time sake:
    I directly change cyberanomaly for my DSN paper at 2018

learningswitch:
    only include the codes of learningswitch based on L2 or L3 switch in pox controller

edge:
    simple test process-aware edge computing infrastructure

Spoofsingle:
    both real devices and fake devices can run at the same time.

Spoofsingle2:
    real device and fake device cannot run at the same time. 

Spoofsingle3:
    adding a fixed delay to ensure that real device and fake device has the same latency
    can run in both sequently and in parallel