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
[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.
Update Messages_es.properties

Correct spelling
Merge pull request #783 from Johnbo/patch-1

Update Messages_es.properties
[FIXED JENKINS-18024] Avoind NPE when checking if reason why in the queue has beed changed
Merge pull request #767 from olivergondza/wbr_layout

[FIXED JENKINS-17030] Enable word breaking for job names.
[JENKINS-17030] Noting, fixing/adding @since, adding @Bug.
Merge pull request #774 from dnadolny/master

[JENKINS-17478] Various improvements from code reviews
[JENKINS-16301] Replace impl of getDigestOf with standard (Commons Codec) DigestUtils.md5Hex, for simplicity.
[JENKINS-16301] Use a buffered input stream to get somewhat better performance.
JUnit 4.
[JENKINS-16301] Verifying current serial format as a baseline.