Restored old session pattern, before chris changed the implementation
Updated documents from 'master' branch, added methods to session
Cleanup, fixed typos, added some example methods to Session to
demonstrate the State Pattern
Added Memento pattern presentation, slight modification of Session
Updated presentation and related documents
Prototype for Medical Prescription GUI.
Merge remote-tracking branch 'origin/task12' into Sprint2/MobileGUI

Conflicts:
	Project Pink/doc/scrum/scrum.xlsx
	Project Pink/src/main/java/ch/bfh/bti7081/s2013/pink/MyVaadinApplication.java
	Project Pink/src/main/java/ch/bfh/bti7081/s2013/pink/model/Session.java
	Project Pink/src/main/java/ch/bfh/bti7081/s2013/pink/model/SessionState.java
Merge remote-tracking branch 'origin/Sprint2/MedicalPrescriptionGui' into Sprint2/MobileGUI

Conflicts:
	Project Pink/src/main/java/ch/bfh/bti7081/s2013/pink/SessionOverView.java
I think it was stupid of me to merge task12...
fixed some tomcat warnings
Hibernate problems fix, I hope I didn't destroy anything else...
Added NoteComponent, work in progress
Merge branch 'master' of https://github.com/simonkrenger/ch.bfh.bti7081.s2013.pink