Merge branch 'development_master' into researchreport

.gitignore

gemeinsamforschen/pom.xml

...hen/src/main/java/unipotsdam/gf/assignments/Assignee.java

.../java/unipotsdam/gf/assignments/NotImplementedLogger.java

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

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

.../java/unipotsdam/gf/core/database/mysql/MysqlConnect.java

...c/main/java/unipotsdam/gf/core/management/Management.java

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

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

...sdam/gf/core/management/project/ProjectConfiguration.java

...m/gf/core/management/project/ProjectConfigurationDAO.java

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

.../unipotsdam/gf/core/management/user/UserService.java.orig

...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

...n/src/main/java/unipotsdam/gf/core/states/PhasesImpl.java