revert change of folder structure, introducing new interface folder

gemeinsamforschen/pom.xml

.../java/unipotsdam/gf/munchkin/controller/MunchkinImpl.java

...in/java/unipotsdam/gf/munchkin/interfaces/IMunschkin.java

...src/main/java/unipotsdam/gf/munchkin/model/Munschkin.java

...n/java/unipotsdam/gf/munchkin/service/RestyMunschkin.java

gemeinsamforschen/src/main/webapp/WEB-INF/classes/log4j.xml

gemeinsamforschen/src/main/webapp/WEB-INF/web.xml

gemeinsamforschen/src/main/webapp/index.html

gemeinsamforschen/src/main/webapp/js/munschkinloader.js

gemeinsamforschen/src/main/webapp/jsexample.html

gemeinsamforschen/src/scripts/munschkins.sql

gemeinsamforschen/src/test/java/MunschkinLoaderTest.java