java: upgrade rest-assured
java: upgrade rest-assured

in order to avoid classpath conflicts between hamcrest 1.2 and 1.3.

Change-Id: If9a163d8165ff5b4924948c73e34453898e1580d

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