[FIXED JENKINS-21673] Sort authorities on user index page.
Merge pull request #998 from jenkinsci/jenkins-19898

[FIXED JENKINS-19898] test base classes should not be linked to the junit implementation.
safe() also replaces '%' with '_'
Add changelog record for PR #1121
Merge branch 'JENKINS-21673' of https://github.com/daniel-beck/jenkins
[JENKINS-21673] Noting merge of #1120.
The original fix was lost when Winstone became 2.0
Improvements to API documentation.

* Added requirement to send header when POSTing config.xml.
* Don't tell anyone with Overall/Read where JENKINS_HOME is located
* Add an alternative to viewing config.xml files on the server for non-admins
Revert 33db54459a80adb8fe435a96956d3f22dd033414
Fix autocompletion for items in folders
Don't offer install without restart unless it's possible.

Jenkins cannot dynamically load updated plugins, so there
is no need to offer it to users.
Added logging when filtering descriptors.
Merge pull request #1122 from daniel-beck/api-doc

Improvements to API documentation.
debian: Use a configurable group for the Jenkins user

Typical Debian practice is to have one equally-named group per system
user.  Make that for the jenkins user by default, but allow it to be
overridden in /etc/default/jenkins, same as for the user name.
[maven-release-plugin] prepare release jenkins-1.550
[maven-release-plugin] prepare for next development iteration
updated changelog for release
updated changelog as a part of the release
merged back the RC branch
creating an RC branch