Merge branch 'tagRepositoryTest' into 'dev'

src/main/java/NTNU/IDATT1002/controllers/Login.java

src/main/java/NTNU/IDATT1002/controllers/SignUp.java

.../java/NTNU/IDATT1002/repository/GeoLocatioRepository.java

src/main/java/NTNU/IDATT1002/repository/UserRepository.java

src/main/java/NTNU/IDATT1002/service/UserService.java

src/main/java/NTNU/IDATT1002/utils/Authentication.java

src/main/java/NTNU/IDATT1002/utils/MetaDataExtractor.java

...est/java/NTNU/IDATT1002/repository/TagRepositoryTest.java

src/test/java/NTNU/IDATT1002/service/UserServiceTest.java

src/test/java/NTNU/IDATT1002/utils/AuthenticationTest.java