Make crumbs more or less work

	new file:   app/assets/images/home.gif
	new file:   app/assets/images/separator.gif
	new file:   app/assets/javascripts/libraries/jquery.browser.js
	deleted:    app/assets/javascripts/libraries/jquery.jBreadCrumb.1.1.js
	new file:   app/assets/javascripts/libraries/xbreadcrumbs.js
	modified:   app/assets/javascripts/orangeproton.trail.js
	modified:   app/assets/javascripts/request.js
	deleted:    app/assets/stylesheets/breadcrumb/BreadCrumb.css
	new file:   app/assets/stylesheets/xbreadcrumbs.css
	modified:   app/views/home/index.html.erb