Keep consistence in pendings when exception is thrown during method pop()
Add test if jobs do not stuck in pendings
Use Junit4/JenkinsRule
Improved search to search within ItemGroups by looking at all items
contained in Jenkins instead of only direct members.

SuggestedItem has been modified to display more information about the
hierarchy of items where results are stored.
Merge branch 'pull-761'

Conflicts:
	test/src/test/java/hudson/model/QueueTest.java
make sure to close writer
use last sisu version
Partly reverting f83d455 as it caused a verify error when running builds.
Merge commit '079ec15'
Oops, ${java.version} is a system property; switching back to ${java.level}.
[FIXED JENKINS-18119] More compatible fix: make ts_refresh work again.
Typo.
Fix javadoc warnings in hudson.model.Queue
testBasicWorkflow is just not reliable, it seems.
Merge branch 'master' of github.com:jenkinsci/jenkins
creating an RC branch
the trunk is toward 1.526-SNAPSHOT
Merge remote-tracking branch 'origin/master'
Completed JSR-250 license information
[maven-release-plugin] prepare release jenkins-1.525