Merge branch 'f-filesystem-core' into f-filesystem-directory

src/doc/specification/AbstractProperty.md

src/doc/specification/Datatype.md

src/doc/specification/RecordType.rst

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

src/main/java/org/caosdb/server/jobs/Job.java

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

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

src/main/java/org/caosdb/server/query/CQLLexer.g4

src/main/java/org/caosdb/server/query/CQLParser.g4

src/main/java/org/caosdb/server/query/Query.java

src/test/docker/Dockerfile

src/test/java/org/caosdb/server/query/QueryTest.java