JENKINS-15380. Add some length checking before trying to substring.
Compare string length directly in if to get a shorter method.
German translation for permission descriptions
updated comment
Prevent ClassCastException when encountering ItemGroup of
non-TopLevelItem.

This is the case for instance when encountering a MavenModuleSet which
is ItemGroup<MavenModule>
[FIXED JENKINS-17030] Enable word breaking for job names
Explicitly turn of default escaping
changelog: this issue is a rfe not a bug
Try harder to set Jenkins root URL, since some tests rely on it.
JUnit 4.
Missing equals/hashCode/toString impls for CopyOnWriteMap.
[FIXED JENKINS-17933] Catch errors in init.groovy.
JUnit 4.
[FIXED JENKINS-17935] NPE from Run.getDynamic when a transient build action is invisible.
Amends lvotypko’s 33e0df7 to be as careful as bdff425 + f65da7f + 10e9b00 for persistent actions.
[FIXED JENKINS-16652] Use UpdateSite.Plugin.deploy from PluginManager.doUploadPlugin.
[FIXED JENKINS-17774] Make not to copy a webapp directory every time for each tests.
Copying every time causes overwriting files in the webapp directory, and often causes errors in Windows.
This reverts JENKINS-12647(commit 7ae303f88191a540491a21484316d63dff775e21).
Various improvements from code reviews
Merge branch 'master' of https://github.com/jenkinsci/jenkins
Update changelog, should have been updated with original merge in to 1.515
Use NOTBUILT rather than GREY when a job has not yet been built.