* 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