Improve de translation of loginLink

Should be uppercase to be consistent with the sign up link

- The MasterKillSwitchConfiguration was not available when you have clouds but no fixed slaves.
- The MasterKillSwitchConfiguration was not available when it was enabled but for a non-relevant configuration.

[JENKINS-27505] Preserve an empty line at the beginning of a textarea

[FIXED JENKINS-31235] fix createItem/copy API args

Enhance SimpleBuildStep readability for workflow

[FIX JENKINS-31015] Prevent InvalidPathException in FileVF

Intentionally leaving out post 1.637 changes in preparation of the
security 1.638 release roll out.

[SECURITY-218] - Functional tests for CLI

[SECURITY-218] Blackbox test

remove unused import statements

In addition to cluttering the namespace, unused imports generate
compiler warnings, introducing noise and obscuring more important
compiler warnings.  This change removes them.

Trying to touch userContent rather than some random file, so that we can verify the result remotely.
Reducing rounds to two: one for capability, one for random transport commands.