[JENKINS-24436] Don't use AbstractItem.getUrl when creating job links.
[JENKINS-24436] Use rootUrl rather that jobBaseUrl when linking to job results.
[maven-release-plugin] prepare release cobertura-1.9.6
[maven-release-plugin] prepare for next development iteration
removed graph view from coverage result because it is a huge memory hog
for large projects
changed displayed percentage to be formatted as ##0.00
changed displayed percentage to be formatted as ##0.00 on the summary page