KEYCLOAK-118: Several issues fixed:

 - Tooltips suing Angular UI
 - Modals with Angular UI and Bootstrap 3.x
 - Icons using SVG not working
 - Perform search clicking on enter
 - Show User/Application name on Delete modal
 - Show "No results" and "Not configured" alerts when appropriate
 - Always show cancel button on "New ..." forms. Save shows on changes.
 - Add null option to Application select on Application Roles
 - Fixed menus
 - Other misc fixes...