Tidy up and fixes in C++ Wrapper

* Version 1.0.5:
* Date: 25th June 2013
* Compatible with Spokes SDK version(s): 2.8.24304.0
* Changed by: Lewis Collins
*   Changes: (thanks Harel for the feedback)
*     - Removing MFC dependency, changing CString's for std::strings
*     - Moved DebugPrint, NotifyEvent and GetInstance members of
SpokesWrapper from .h to .cpp
*     - Adding Hungarian Notation to the object class member names for
consistency
*    - Removing all 'cout' calls in wrapper, replace with DebugPrint
facility for user's app
*       to optionally process if required