Throw AuthenticationExceptions instead of Messages in ACM Transactions

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

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

src/main/java/org/caosdb/server/jobs/core/AccessControl.java

...ava/org/caosdb/server/jobs/core/CheckStateTransition.java

...ava/org/caosdb/server/scripting/ScriptingPermissions.java

src/main/java/org/caosdb/server/transaction/RetrieveACL.java

src/main/java/org/caosdb/server/transaction/UpdateACL.java