minor update to large topology
removed output in packet based dropping policy
added output files to .gitignore
reduced output in windowndndownloader
added SEgmentNumber to Segment, IAdaptationLogic and SegmentExtractor
created class PlayerLevelHistory which stores a history of Level and Buffer
for SVCPlayer and DAshPlayers and outputs them to the output/ folder
removed some output from the FacePacketStatistics class
added playerlevelhistory to itec-scenario.files
added nodename to dashplayer and svcplayer;
added nodename to dashrequester and svcrequester;
adapted playerfactory to pass nodename to player;
added PlayerLevelHistory to DashPlayer and SVCPlayer;
cleaned up output messages of DashPlayer and SVCPlayer;
Added detection whether streaming is done in SVCPlayer