* Generalize BlockImport
- move ImportBlock, BlockOrigin, ImportResult into shared sr-primitives
- let Consensus provide and traits again
- update consensus traits to latest development
- implement traits on client::Client, test_client::TestClient
- update RHD to use the new import_block API
* Move ImportBlock into consensus-common
* Send import notification in aura tests
* Integrating aura into service
* Make Signatures more generic
* Aura Block Production with the given key
* run aura on the thread pool
* start at exact step start in aura
* Add needed wasm blob, in leiu of better solutions.
* Make API ids consistent with traits and bring upstream for sharing.
* Add decrease_free_balance to Balances module
* Encode `Metadata` once instead of two times
* Bitops include xor
* Upgrade key module.
* Default pages to somewhat bigger.
* Introduce upgrade key into node
* Add `Created` event
* moved DigestItem impl to impl_outer_log
* Enable backtrace collecting on the CI
* internal module is not required in impl_outer_log
* Revert "internal module is not required in impl_outer_log"
This reverts commit 5430446971cdf5fd5735863b86cd08a11d35d1dd.
* Revert "moved DigestItem impl to impl_outer_log"
This reverts commit 8872bbee963dbb4316251222f5c0757303fb3f52.
* Revert "Revert "moved DigestItem impl to impl_outer_log""
This reverts commit 47afd59682f8828665bd9cfb293b40ce4c4787af.
* Revert "Revert "internal module is not required in impl_outer_log""
This reverts commit 9ae640010c00ef134099d5b6a4430d330be134b2.
* More diagnostics
* check if only 1 test fails
* test is back + some "traces"
* removed some traces
* removed "traces"
* 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
Benjamin Kampmann