[FIXED JENKINS-20966] flush output so cli get the build number being started
Deleting help files which were already moved into javadoc-plugin and do not belong here.
Noting JENKINS-23829, change description of JENKINS-23970
Merge REMERGE_HEAD into HEAD
Upgrade mailer to 1.10 to pick up SECURITY-152 fix.
prevent build index page to redirect anonymous user to login just because some artifact share fingerprints with another job
Moved icon-set and icon-shim out to a plugin repo.
[FIXED JENKINS-24161] Break recursion in UpstreamCause.onLoad.
[FIXED JENKINS-23945] Test result trend graph should not load builds which were not already loaded.
Merge branch 'master' into BuildStep-Job

Conflicts:
	core/src/main/java/hudson/tasks/test/AbstractTestResultAction.java