bind initialization-screen to tmp-model

(new) 'Model'-Service: die Daten aus dem init-Screen werden (vorerst) in
den neuen Model-Service gepushed. Wollte bei 15 ausstehenden Commits das
Config-Objekt nicht abfucken.
Merge branch 'master' of https://github.com/johaasi/High8

Conflicts:
	js/app.js
Added a Contact-Controller

(new) Contact-Controller ('contactCtrl') um Contacts-View zu steuern
(added) 'Import Contacts' Button um Import von dummy Kontakten zu testen
minor layout changes

- QuickLunch set as default page
- Sidebar restructured
- bottom navbar removed
readme model service docu