Merge branch 'dev' into f-state-change

CHANGELOG.md

README_SETUP.md

caosdb-proto

src/doc/index.rst

src/doc/tutorials.rst

src/doc/tutorials/setup_state_model.py

src/doc/tutorials/statemachine.rst

src/main/java/org/caosdb/datetime/DateTimeFactory2.java

src/main/java/org/caosdb/server/CaosDBServer.java

.../java/org/caosdb/server/accessControl/ACMPermissions.java

.../java/org/caosdb/server/accessControl/AnonymousRealm.java

.../org/caosdb/server/accessControl/AuthenticationUtils.java

...g/caosdb/server/accessControl/CaosDBAuthorizingRealm.java

...db/server/accessControl/CaosDBRolePermissionResolver.java

src/main/java/org/caosdb/server/accessControl/Principal.java

src/main/java/org/caosdb/server/accessControl/Role.java

...va/org/caosdb/server/accessControl/SessionTokenRealm.java

.../caosdb/server/accessControl/SinglePermissionSubject.java

...ain/java/org/caosdb/server/accessControl/UserSources.java

...n/java/org/caosdb/server/database/BackendTransaction.java