* Try to make everything compact
* Make `Clone` work
* Fix
* Move contracts and balances over to compact encoding
* Session and timestamp are compact
* Sataking uses compact numbers
* Treasury now compact
* Compact Democracy
* Council is compact
* Fix
* Make the graph generic.
* Adapting pool API for the graph.
* Merge pool & graph.
* Restructure.
* Fix test of transaction pool.
* Get rid of node/transaction-pool.
* Compilation fixes.
* Test7
* Fix compilation of tests.
* Revert runtime changes.
* Add validate_transaction to test-runtime.
* Fix RPC tests.
* Add clearing of the old transactions.
* Trigger pool events.
* Use new queue API.
* Fix wasm build, re-export Hasher.
* No warning if validate transaction fails.
* Get rid of Into<u64> and use As