Failure to define a crumb was causing testDeleteHudsonComputer to be testing the wrong thing.
[JENKINS-14827] Noting.
[JENKINS-17575] Baseline testing of behavior without folders.
Better toString.
[FIXED JENKINS-17575] Redirecting properly after deleting jobs in folders.
Expanded MockFolder to be a ViewGroup so that it is possible to test views inside folders,
and generally fixed it to service Stapler hierarchies properly so that WebClient-based tests can work.
Merge branch 'master' of github.com:jenkinsci/jenkins