* double-commit and prepare misbehavior
* get misbehavior on completion
* collect misbehavior on drop, not only on success
* kill unused transaction_index field
* add primitive misbehavior report type
* add misbehavior report transaction
* store prior session
* fix set_items
* basic checks for misbehavior reports
* crate for substrate bft misbehavior checking
* integrate misbehavior check crate
* fix comment
* new wasm binaries
* fix hash in test
* import misbehavior transactions into queue
* fix test build
* sign on digest and full proposal when proposing
* detect proposal misbehavior
* fix fallout
* restore balance/bondage types
* Introduce simple blockchain runtime for substrate tests.
* Remove bad files.
* Add needed wasm binaries.
* Refactoring.
- Repot files in test-runtime.
- Rename troublesome `Joiner::join` to `Joiner::and`.
- Rework `Slicable` to dedup code.
* More fixes and refactoring
* Rebuild substrate test wasm.
* Fix merge errors.
* Rename the disasterously named `to_vec` to `encode`.
Also rename `as_slice_then` to `with_encoded`.
* Tests for toy runtime.
* Fix doc nit
Robert Habermeier