logic: Show overview of analyzed symbols after launch

* show analysed nodes as bundles in graph
* ellide node names longer than 50 chars
* sort nodes alphabetic in these bundles
* show stats of analysis in code
* error are displayed as well in overview
* added keywords overview and error
* project description can be set in .coatiproject file
* description can include links to symbols using [symbol] syntax
* updated documentation
* increased toc nesting in documentation

src/lib/data/search/SearchMatch.h

@@ -19,11 +19,20 @@ struct SearchMatch
 		SEARCH_OPERATOR
 	};
 
+	enum CommandType
+	{
+		COMMAND_ALL,
+		COMMAND_ERROR
+	};
+
 	static void log(const std::vector<SearchMatch>& matches, const std::string& query);
 
 	static std::string getSearchTypeName(SearchType type);
 	static std::string searchMatchesToString(const std::vector<SearchMatch>& matches);
 
+	static SearchMatch createCommand(CommandType type);
+	static std::string getCommandName(CommandType type);
+
 	SearchMatch();
 	SearchMatch(const std::string& query);