Removing JBoss Nexus, as Keycloak is now on maven central
added LESS compilation, replaced console.css with console.less + removed open task
removal of duplicate bootstrap.js

* prevents e.g. need to click twice on dropdown
make ups-console.less inherit from liveoak-console.less
use http/https protocol independent links to external resources
UX: made some elements clickable (react to hover)
Removing the user, based on recent changes