KKDebug.printRunningTime now returns runningTime(long)
Add custom scroll listener which combine with delegate listener
Override setOnScrollListener instead using another API
Remove redundant code
Merge pull request #75 from KKBOX/dev_justin

Add custom scroll listener which combine with delegate listener
Merge remote-tracking branch 'origin/master' into dev

Conflicts:
	src/com/kkbox/toolkit/internal/widget/KKListViewDelegate.java