src: added optional indexer AST logging

* removed old AstVisitor
* added new implementation called CxxAstVisitor
* added CxxVerboseAstVisitor that may wrap the CxxAstVisitor to log the AST while visiting
* added the same structure for the Java visitors
* removed all the logs that were fired when recording stuff
* Added UI setting for verbose indexer logging.
* implemented AST name obfuscation for Java and Cxx
* unified test visitors for Java and Cxx
* implemented recording using directive decl
* removed most of the old onXxxParsed methods

src/lib/settings/ApplicationSettings.h

@@ -50,6 +50,9 @@ public:
 	bool getLoggingEnabled() const;
 	void setLoggingEnabled(bool loggingEnabled);
 
+	bool getVerboseInderxerLoggingEnabled() const;
+	void setVerboseInderxerLoggingEnabled(bool loggingEnabled);
+
 	// indexing
 	int getIndexerThreadCount() const;
 	void setIndexerThreadCount(const int count);