changed Allived for Alived, Def files move to the examples
Removed printf statements
Example 3 - ATDT=D, KA=Y
temporary changes
Corrected error in client_reader

--SEOB was moved into the condition if (hostname != NULL)
First vorking version of mode 5 (ATDA=N, KA=Y)
Receivers --SEOB after sending indetification to the server moved to open_connection_to_server
Open and close socket taken away from client_receiver and client_sender

now the client has to open socket, use client_sender and client receiver
and then close socket