Create Linux version

[delphidabbler]

Given that the program is a console application, it should be straightforward to recompile for Linux.

Maybe some i/o code will need to be revised.

[delphidabbler]

Windows specific code that needs attention for Linux:

function TConsoleStdInReader.ReadBuf(var Buffer; const Count: Integer): Integer;

procedure TConsoleWriter.WriteToConsole(const AData: TBytes; const AIndex,
  ALength: Integer);

function TConsoleStdOutWriter.GetOutputDeviceID: Cardinal;

function TConsoleStdErrWriter.GetOutputDeviceID: Cardinal;

class function TAppInfo.ProgramVersion: string;