Merge branch 'image_service_seach' into 'dev'

src/main/java/NTNU/IDATT1002/models/GeoLocation.java

src/main/java/NTNU/IDATT1002/models/Image.java

src/main/java/NTNU/IDATT1002/models/Metadata.java

src/main/java/NTNU/IDATT1002/models/Tag.java

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

...in/java/NTNU/IDATT1002/repository/MetadataRepository.java

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

...main/java/NTNU/IDATT1002/service/filters/ImageFilter.java

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

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