LF oving2

lf/src/main/java/oving2/Account.java

lf/src/main/java/oving2/Digit.java

lf/src/main/java/oving2/LineEditor.java

lf/src/main/java/oving2/Location.java

lf/src/main/java/oving2/Person.java

lf/src/main/java/oving2/StopWatch.java

lf/src/main/java/oving2/UpOrDownCounter.java

lf/src/main/java/oving2/Vehicle.java