Merge pull request #13 from broggi/master

Added Navigation Prototype And Wireframe Documents
added new uml and some requirements
added some reqirements and a new uml
Too much stress!
Merge pull request #14 from LukasGalliker/master

Too much stress!
Merge branch 'master' of https://github.com/ese-unibe-ch/ese2013-team9

Conflicts:
	documentation/srs/Shoppyapp - Requirements Specification.docx
Merge pull request #15 from broggi/master

Added ShoppyApp Project
Merge branch 'master' of https://github.com/ese-unibe-ch/ese2013-team9
added handler for local database and simple user- and shoppinglist-classes