Search Implementation.
Merge branch 'master' into Sprint2/SearchControl

Conflicts:
	Project Pink/src/main/java/ch/bfh/bti7081/s2013/pink/PatientSearchView.java
	Project Pink/src/main/java/ch/bfh/bti7081/s2013/pink/SessionOverView.java
	Project Pink/src/main/java/ch/bfh/bti7081/s2013/pink/model/HibernateDataSource.java
session window almost finished, switching between states now possible
Added a bit more JavaDoc, fixed JavaDoc warnings
Fix for Build.
Merge branch 'master' into Sprint2/SearchControl
Merge remote-tracking branch 'origin/implementation-guidelines' into Sprint2/SearchControl
Merge remote-tracking branch 'origin/task11-2.7' into Sprint2/SearchControl
Change Layout & Update web.xml
Merge remote-tracking branch 'origin/Sprint2/SearchControl'