implement the Resource trait for owned resources

examples/custom-type.rs

examples/full-syntax.rs

examples/generics.rs

examples/late-resources.rs

examples/one-task.rs

examples/preemption.rs

examples/two-tasks.rs

macros/src/analyze.rs

macros/src/trans.rs

tests/cfail/lock.rs

tests/cfail/token-transfer.rs