Issue #29: Incorrect program finishing

[taketook34]

Bug with thread abortion in end of execution fixed. Problem was in KPIRoverECU class.

debian@beaglebone:~$ sudo ./kpi_rover_ecu -a 0.0.0.0 -p 6000
[INFO] Started server on 0.0.0.0:6000
start ...
Waiting for connection...
[INFO] Motor set to stop
[COMMAND] motor 0 new rpm 10000
[COMMAND] motor 1 new rpm 10000
[COMMAND] motor 2 new rpm 10000
[COMMAND] motor 3 new rpm 10000
Client disconnected.
Waiting for connection...
initialize socket
[INFO] Motor set to stop
^CEND of program
joining threads
destroying drivers
joining udp client socket ...
joining thread ... 
closing socket
debian@beaglebone:~$ 

There is can be discuss about necessity of function Destroy() in UDPClient and TCPTransport.