${rootURL} should be used to locate env-vars.html, since otherwise the link will be broken when the builder is configured from a job inside a folder.

[FIXED JENKINS-10502] Option to make the build not fail if there is nothing to archive

[FIXED JENKINS-17177] wrong build result in post build steps after failed pre build step in maven project

based on the conversation with Weltraumschaf (the DARCS plugin maintainer)

Generally the environment is responsible for imposing a general timeout on tests.
And this timeout makes debugging more difficult.

Made the in-flight build survive the reload from the disk.

And since it's now a symlink that points to another symlink that then
points to the real stuff, we need recursive onion peeling.

Report 100 recent builds in the JSON API, including in-progress builds.

Not reporting all the builds since this would nullify the lazy loading
effect. Will introduce a pagenation API that supports retrieval.

[JENKINS-15533] testing if the lazy loading can gracefully tolerate a RuntimeException during unmarshalling.

At least in the current version this working as expected