Java backend: modified the kool-untyped definition for the Java backend
Java backend: properly the sorts of Cells and injected KItems
tests/config: included all the (modified) test programs of kool-untyped for the Java backend
fixed a bug in my kool-untyped definition for the Java backend
Java backend: properly handled "upKind" and "downKind" operations between CELL and CELL_COLLECTION
Java backend: fixed a broken assertion
revised test program new-in-field.kool to avoid non-deterministic output order