Merge branch 'Auth' into 'dev'

.gitignore

pom.xml

src/main/java/utils/Authorizer.java

src/main/java/utils/CreateUser.java

src/main/java/utils/ExtractMetaData.java

src/main/java/utils/MultiplePhotos.java

src/test/java/utils/AuthorizerTest.java

stale_outputs_checked