[bennu-portal] Portal.js now uses Twig.js

  * Updated default theme accordingly
  * Twig.js is automatically loaded
  * Also improved handling of client-side modules in Twig.js
[bennu-admin] Completely rewritten the bennu-admin application

  * It is now built using Angular.js instead of Bankai
  * Updated to work with the new version of bennu-portal
  * Greatly improved the System Info panel, showing more JVM information and allowing Thread Dumps
  * Added a simple DomainBrowser UI, that allows navigating through the instance graph of the application
Merge pull request #109 from jcarvalho/feature/portal2

Portal 2
[default-theme] Minor Visual Improvements to the default theme

  * Added missing resources
  * Cleaned up some visual clutter
  * Small visual tweaks
[bennu-core] New Feature: New applications now have a visual wizard to configure them

  * The steps of this wizard are configurable, and any module can specify new steps