create-groups-manual prototype done

...src/main/java/unipotsdam/gf/interfaces/IGroupFinding.java

...n/src/main/java/unipotsdam/gf/modules/group/GroupDAO.java

.../src/main/java/unipotsdam/gf/modules/group/GroupView.java

...in/java/unipotsdam/gf/modules/group/GroupfindingImpl.java

...ain/java/unipotsdam/gf/process/GroupFormationProcess.java

...hen/src/main/webapp/groupfinding/create-groups-manual.jsp

...n/src/main/webapp/groupfinding/js/create-groups-manual.js