Fixes the situation where the link from the serverInfo back to the results is lost.
Updating version to 1.5.1 in maven poms.
Merge branch 'hotfix/1.5.1'
Fixed the problem where the server information has lo link back to the
results it is part off. Same for the JobInformation link to the server.
Pom version changed to 1.5.1.
Updated pom versions back to 1.6.0-SNAPSHOT after merge with hotfix.