Added missing translations for Polish language

(#1986 continuation)

Added missing translations for Polish language

(#1986 continuation)

[FIXED JENKINS-32852] Fixed possible ArrayIndexOutOfBoundsException

[JENKINS-32273] Unified an issue handling in CLI

Artifacts is a valid en_gb spelling.

Added "What to Use Jenkins for and When to Use It"

In UK English "Artifacts" is a valid alternate spelling of "Artefacts".

As the rest of the UI uses Artificats - it just looks odd to have this one bit use artefacts.

So rather than trying to be clever and fix up every translation - lets just use Artifacts - as it is accepted in computing terms and will be the same everywhere.

Putting some distance between Jenkins & CI only

Replacing links to bugs.sun.com

Next steps will be modifying the URL when jenkins.io is ready.

Fixed possible ArrayIndexOutOfBoundsException in
hudson.model.Fingerprint.RangeSet.fromString(...)

[JENKINS-32765] Update extras-executable-war to pick up system property and record feature in changelog

Re-factored all existed CLI code to follow the new proposed scheme for
raising an exception if issue occurs, handling and reporting it.
Unified CLIRegisterer as well.
Fixed unit tests to follow the new scheme.