scrum backlog updated for sprint3
Merge branch 'master' of
ssh://git@github.com/boebu/ch.bfh.bti7081.s2013.yellow.git

Conflicts:
	ch.bfh.bti7081.s2013.yellow/src/main/java/ch/bfh/bti7081/s2013/yellow/batch/SystemTrigger.java