add ArtikelServiceBinder to Main.java
add constants keys to Constants.java
create ArtikelDetails.java, ArtikelSucheId.java, Artikels.java,
ArtikelsListeNav.java
Merge branch 'master' of https://github.com/tobiasfischer/android.git

Conflicts:
	ShopApp/src/de/shop/ui/main/Main.java