SshCredentialDialog.select() needs a matching constructor
Mark old form-element-plugin resolving method as deprecated.

Code still is used by ec2.groovy.
Use helper method.
Turn off page leave confirmation
Stop test suite if form-element-path plugin is not in pre-installed Jenkins.
Refactor form-element-plugin upload into base class.
Renaming.
Merge branch 'master' of https://github.com/jenkinsci/acceptance-test-harness