Finish chapter 9.4.1.3

src/main/java/de/dpunkt/myaktion/model/Account.java

src/main/java/de/dpunkt/myaktion/model/Campaign.java

src/main/java/de/dpunkt/myaktion/model/DateEntity.java

src/main/java/de/dpunkt/myaktion/model/Donation.java

...java/de/dpunkt/myaktion/model/EntityCreationListener.java

src/main/java/de/dpunkt/myaktion/model/Organizer.java

...n/java/de/dpunkt/myaktion/resources/CampaignResource.java

...ain/java/de/dpunkt/myaktion/services/CampaignService.java

...java/de/dpunkt/myaktion/services/CampaignServiceBean.java

...dpunkt/myaktion/services/CriteriaCampaignServiceBean.java

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