small corrections
small corrections

- edges are stored in a vector now
- running times are displayed
appfs/appfs,FirstSanny/appfs,appfs/appfs,appfs/appfs,appfs/appfs,appfs/appfs,FirstSanny/appfs,FirstSanny/appfs,FirstSanny/appfs,FirstSanny/appfs,appfs/appfs,FirstSanny/appfs,FirstSanny/appfs,appfs/appfs