update jquery, ember and handlebars
remove old ember, handlerbars and jquery
exchange deprecated bindAttr with bind-attr
use quotes on the action parameter in the add bookmark form
use same quotes for the action paramater delete as for save
upgrade to ember-data 1.0.0-beta.7
create router.js file to structure app
use router.js in index.html
move routers in app.js to router.js
remove the outlet tag and remove complexity
add error route
implement basic error route in index.html
transition into error route if an error accessing the datastore occures
create ArrayController for error
add errorMessage to ErrorController if restcall fails
display the errorMessage on the error route
move bootstrap to version 3.1.1
use bg-danger class on the error message
remove obsolete css files
use verbose error message if the rest call fails