Merge remote-tracking branch 'remotes/origin/development_master' into Journal

.gitignore

...rc/main/java/unipotsdam/gf/config/GFRocketChatConfig.java

...in/java/unipotsdam/gf/core/management/ManagementImpl.java

...va/unipotsdam/gf/core/management/ManagementImpl.java.orig

...n/java/unipotsdam/gf/core/management/project/Project.java

...rc/main/java/unipotsdam/gf/core/management/user/Menu.java

...ain/java/unipotsdam/gf/core/management/user/headLine.java

.../unipotsdam/gf/core/management/user/omniDependencies.java

.../src/main/java/unipotsdam/gf/core/session/ContextTag.java

...n/src/main/java/unipotsdam/gf/core/session/GFContext.java

.../src/main/java/unipotsdam/gf/core/session/SessionTag.java

...c/main/java/unipotsdam/gf/interfaces/IPeerAssessment.java

...n/java/unipotsdam/gf/interfaces/IPeerAssessment.java.orig

...f/modules/assessment/controller/model/StudentAndQuiz.java

...essment/controller/service/AssessmentDBCommunication.java

.../modules/assessment/controller/service/FBAssessement.java

...les/assessment/controller/service/FBAssessement.java.orig

...modules/assessment/controller/service/PeerAssessment.java

...es/assessment/controller/service/PeerAssessment.java.orig

...es/assessment/controller/service/PeerAssessmentDummy.java