[Wiki] release notes: move API changes up
[Wiki] release notes: move API changes up

Change-Id: I0cad1d3f9b508a393b684684c8cd3c74c56c343e

bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr