V_3.0(cross-platform)

Client-server "XML-RPC validator"

1) Server and client apps merged in one app.
2) Now app could be compiled on Linux and on Windows.
3) Added changing port and IP for connection.

- Server part:
* Added parser for xml-rpc files
* Added validator
* Added functional for sending results of validating to client
* Added logging

- Client part:
* Added functional for receiving results of validating