This change bundles similar nodes in the graph view together. When the bundled node or it's aggregation edge are clicked,
then the bundle is split. This change also adds an arrow to the aggregation edge based on the direction of it's edges.
* fixed search activating 2 nodes, because of NodeType in query
* fixed search results didn't contain results with same name
* added protected contents to sample and tictactoe code
* fixed CxxParserTests not logging errors, disabled logging for tests with errors
* fixed CxxParserTests not finding system headers, added TestSettings.xml and pass headers to Parser::parseFile()
* added sample code
* bigger and closed arrow for inheritance edge
* fixed code hover
* lightened scope colors
* fixed interrupted scope ranges to show all lines
* fixed edge creation to correctly show recursion
* prevent aggregation edge number from floating around
* scroll to top when changing codesnippets
Eberhard Graether