More useful Dependency.toString.
[FIXED JENKINS-24358] RunSaveableReference.get can acquire locks, so avoid calling it while holding a lock on ourselves.
[FIXED JENKINS-24316] Fixed unknown task icon src path construction
Readd static resource path for task icons [JENKINS-24316]

Missed this in previous commit - bad idea making even small changes late at night ;)
Deleting empty test case.
[FIXED JENKINS-24317] Corrected user dir migration code from JENKINS-23872.
Adapted from #1375 by @daniel-beck: omitting change to User construction, and adding test.
Noting RC merge of JENKINS-24316, JENKINS-24317
Trying to make testRemoteKill less prone to random failure (presumably on a heavily loaded machine).
[JENKINS-24244] If we are skipping polling due to quietingDown, at least record this fact in the system log.
[FIXED JENKINS-23963] Use absolute sidepanel links for computers
localization cleanup
Merge pull request #1378 from daniel-beck/JENKINS-23963

[FIXED JENKINS-23963] Use absolute sidepanel links for computers
Noting #1378