ui.router states - url handling

Added options to handle ui.router states. It's now possible to create urls without the need to use the base path /:model.

Example:

.state('model::list',{
  url: "/el/:model",
  templateUrl: "app/partials/base-list.html"
});

Signed-off-by: Dominic Böttger <Dominic.Boettger@inspirationlabs.com>