fix: fixed some errors with database

...c/main/java/unipotsdam/gf/config/GFApplicationBinder.java

.../src/main/java/unipotsdam/gf/config/GFDatabaseConfig.java

...ain/java/unipotsdam/gf/modules/journal/model/Journal.java

...a/unipotsdam/gf/modules/journal/model/dao/JournalDAO.java

...ipotsdam/gf/modules/journal/model/dao/JournalDAOImpl.java

...java/unipotsdam/gf/modules/journal/model/dao/LinkDAO.java

.../unipotsdam/gf/modules/journal/model/dao/LinkDAOImpl.java

...m/gf/modules/journal/model/dao/ProjectDescriptionDAO.java

.../modules/journal/model/dao/ProjectDescriptionDAOImpl.java

...otsdam/gf/modules/journal/service/JournalServiceImpl.java

...am/gf/modules/journal/service/ProjectDescriptionImpl.java

...gf/modules/journal/service/ProjectDescriptionService.java

...java/unipotsdam/gf/modules/journal/util/JournalUtils.java

.../java/unipotsdam/gf/modules/journal/view/JournalView.java

...tsdam/gf/modules/journal/view/ProjectDescriptionView.java

gemeinsamforschen/src/main/webapp/assets/css/e-portfolio.css

gemeinsamforschen/src/main/webapp/assets/js/e-portfolio.js

gemeinsamforschen/src/main/webapp/pages/createJournal.jsp

gemeinsamforschen/src/main/webapp/pages/editDescription.jsp