doc(getting-started): Updated getting started to reflect changes made in aurelia-api.
doc(getting-started): Updated getting started to reflect changes made in aurelia-api.

kellyethridge/aurelia-orm,freska-fi/aurelia-orm,bas080/aurelia-orm,doktordirk/aurelia-orm,freska-fi/aurelia-orm,doktordirk/aurelia-orm,kellyethridge/aurelia-orm,SpoonX/aurelia-orm,SpoonX/aurelia-orm,bas080/aurelia-orm