Cleanup the C++ front-end.

Removed CPLUSPLUS_BEGIN/END_NAMESPACE & co and made it possible to compile the parser with CPLUSPLUS_WITHOUT_QT.

src/shared/cplusplus/Parser.h

@@ -54,8 +54,8 @@
 #include "Token.h"
 #include "TranslationUnit.h"
 
-CPLUSPLUS_BEGIN_HEADER
-CPLUSPLUS_BEGIN_NAMESPACE
+
+namespace CPlusPlus {
 
 class CPLUSPLUS_EXPORT Parser
 {
@@ -305,7 +305,7 @@ private:
     void operator =(const Parser& source);
 };
 
-CPLUSPLUS_END_NAMESPACE
-CPLUSPLUS_END_HEADER
+} // end of namespace CPlusPlus
+
 
 #endif // CPLUSPLUS_PARSER_H