#15 example.DelayedIO file selection improvement

[Samuel Denis D'Ortun]

Ask user for a file to transfer

[Samuel Denis D'Ortun]

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example.DelayedIO.cpp
StreamTestInit() and ClientServerInit():
Prompt user wicth file he want to send and where he want to save the copied file :

ClientInit() AND ClientLocalInit()
Allow user to change port if he want. ( IF no port is entered, use a default one)

ServerInit()
Allow user to change port if he want. ( IF no port is entered, use a default one)
Allow user to change port if he want. ( IF no port is entered, use a default one)