NonRealtimeNetworkiingUtilities class (opening socket connections, sending and receiving data, closing connections etc.) + NonRealtimeNetworkingException - our custom library exception class
Changes:

- added Google Test library
- added unit tests project
- first two unit tests
- slight change in setPortNumber function
Added some Doxygen style comments to NonRealTimeNetworkingUtilities class
Missing Google Test files
Added namespace to class + fixed memory allocation for buffer.
Now really fixed the thing with the cpp files :)