move example-app to subfolder

gemeinsamforschen/example-app/pom.xml

...-app/src/main/java/unipotsdam/gf/munchkin/IMunschkin.java

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

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

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

...hen/example-app/src/main/webapp/WEB-INF/classes/log4j.xml

...insamforschen/example-app/src/main/webapp/WEB-INF/web.xml

gemeinsamforschen/example-app/src/main/webapp/index.html

...orschen/example-app/src/main/webapp/js/munschkinloader.js

gemeinsamforschen/example-app/src/main/webapp/jsexample.html

gemeinsamforschen/example-app/src/scripts/munschkins.sql

...rschen/example-app/src/test/java/MunschkinLoaderTest.java

...facts/gemeinsamforschen_war_exploded/META-INF/MANIFEST.MF