javadoc
added open source notice in about dialog
graph alignment
Merge branch 'master' of git@github.com:j4velin/Pedometer.git
uses applicationcontext for alarm (maybe that will fix the alarm being
canceled?), calls NewDayReceiver if there is no entry for today yet (in
case the alarm was somehow canceled)
check if there is already an entry for the new day
screenshot updated
Merge branch 'master' of https://github.com/j4velin/Pedometer

Conflicts:
	src/de/j4velin/pedometer/Database.java
	src/de/j4velin/pedometer/background/NewDayReceiver.java