the trunk is toward 1.555-SNAPSHOT
if available, use the path variable exposed from winsw.

See https://github.com/kohsuke/winsw/commit/2ffdbde6a92cf582baa4137e7b4de1116a3ca88b
Minor improvement to suggestion in Javadoc.
Removed horribly obsolete but apparently forgotten svn-password.jelly.
JENKINS-21773: Removed one level of ../ in the Up link to fix matrix job Up links.
JENKINS-21773: Fixed sidepanel Up link for multiaxis jobs.
[FIXED JENKINS-22080] NPE if trying to install a plugin from the update center and either the update source or the plugin contains a '.' in its name
Merge pull request #1150 from stephenc/master

[FIXED JENKINS-22080] NPE if trying to install a plugin from the update ...
[FIXED JENKINS-22080] Braindead logic in author of original fix... corrected by same author
Merge pull request #1151 from stephenc/master

[FIXED JENKINS-22080] Braindead logic in author of original fix... corre...
Merge pull request #1149 from adamwolf/JENKINS-21773
[JENKINS-21773] Noting merge of #1149
Improvements to the UpstreamCause

* Use model-links with context menu
* Show the display name of the linked job
* If the build isn't available, but the job is, still link to the job
Merge pull request #1153 from daniel-beck/UpstreamCause_Improvements

Improvements to the UpstreamCause
merged back the RC branch
creating an RC branch