[Wiki] Use correct docker image names in c++ building how-to
[Wiki] Use correct docker image names in c++ building how-to

Change-Id: Idcb25cd64140e3db2e28d2cbd063b7868d10b54c

bmwcarit/joynr,clive-jevons/joynr,bmwcarit/joynr,clive-jevons/joynr,clive-jevons/joynr,bmwcarit/joynr,clive-jevons/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,clive-jevons/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,clive-jevons/joynr