[FIXED JENKINS-15576] Label's Load Statistics queue length based on
label assigned to job rather than to item in build queue.
Test cases for [FIXED JENKINS-15576]
Merge branch 'master' of https://github.com/laurence-h/jenkins.git
Merge remote-tracking branch 'upstream/master'

Conflicts:
	changelog.html
	test/pom.xml
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Small comment changes in LabelLoadStatisticsQueueLengthTest
Merge with changes from https://github.com/jenkinsci/jenkins/pull/742
Enlarge and move Jenkins head icon

Enlarge and move Jenkins head image a bit to be flush with the bottom of
the header bar.
Refactor CSS (top > bottom align)

Refactor CSS to make header images relative to the bottom of the header
bar rather than relative to the top.
Merge remote-tracking branch 'upstream/master'
[FIXED JENKINS-19764] Ensure parent dir of new builds dir exists.
[FIXED JENKINS-6153] Add description for label atoms

The change to descriptionForm.jelly is necessary because JEXL
interprets the previous version as a call to the static method
get(String) of LabelAtom if ${it} is of that type.
[JENKINS-6153] Only show configure link for label atoms
[JENKINS-6153] Move @since comment to getter
[FIXED JENKINS-7478]

Create Line Ending Conversion utility to convert scripts to proper OS
line ending type.  Tests included.
Noting change to logging in Stapler
[JENKINS-24317] Amending 80f78d573267b69a0bf3e7cbb2f7b4741974d94d.
If we are running on a case-insensitive FS, the test makes no sense because migration would never even be attempted to begin with.
Another attempt to diagnose a random test failure. (Cf. #1370.)