[Wiki] Update release notes for 1.3.2
[Wiki] Update release notes for 1.3.2

Change-Id: I197192ef588fccae6725ea3917b386d9e60b04e4

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