ISIS-537 Bootstrapify WelcomePanel
ISIS-537 Minor non functional improvements in BreadcrumbPanel
ISIS-537 Minor cleanup in the markup
Add TODOs for improving later
ISIS-537 Do not depend on the configured Bootstrap CSS reference. This is automatically manager with the configured ITheme
Add a TODO for improving it later
ISIS-537 Add main navigation bar for the home link, user name, logout and about links