* Remove nonsense code and options, fix score and generally make subkey work.

* Rename Demo -> Node

* Add Assets module

* Fixes

* Fix

* Update comments

* Support `GenesisConfig` without any fields

Fixes: #923

* Do not generate an empty `GenesisConfig`, instead generate no `GenesisConfig`

* Move `chain_spec` into `node-cli`

* Fixes tests

* Adds `construct_simple_service` and `construct_service_factory` macros

* Remove the `node-service` crate

* Add some documentation

* Fixes compilation on stable

* 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 54304469.

* Revert "moved DigestItem impl to impl_outer_log"

This reverts commit 8872bbee.

* Revert "Revert "moved DigestItem impl to impl_outer_log""

This reverts commit 47afd596.

* Revert "Revert "internal module is not required in impl_outer_log""

This reverts commit 9ae64001.

* More diagnostics

* check if only 1 test fails

* test is back + some "traces"

* removed some traces

* removed "traces"

* Implement a non generic version of child delta trie

* Use delta_trie_root in state_machine

* Expand InMemory backend to support multi-storage

* Create Consolidate trait

* Fix all crate compile and remove unused OverlayedChanges::drain

* Implement child storage root support and overlay changes

* Add child storage reader

* Add child storage writer

* Implement child storage cleaning

* Fix light backend compile

* Add all required ext functions for wasm executor

* Add ext def to io

* Add all io functions

* Fix nostd compile

* Add simple test

* Remove unnecessary vec copy in child_storage_root_transaction

* Use values_mut/for_each to make it shorter

* Use extend to shorter a for loop

* Move record_all_keys to trie so it's easier to generic them later

* space -> tab

* Remove to_owned in debug format

* Clean out all to_owned

* Break debug_trace to multiple lines

* Remove 0..

* UserError copy/paste typo

* Replace Vec::from_raw_parts by slice::from_raw_parts

* Use iter::empty()

* Wrap some long lines

* Wrap a missing line

* Remove unnecessary map

https://github.com/paritytech/substrate/pull/856#discussion_r226222663

* Call ext_free after from_raw_parts

* Fix tests in other crates

* Adds new `ProvideInherent` trait

Also implements the new trait for `srml/consensus` and `srml/timestamp`.

* Adds `impl_outer_inherent!` macro

* Reexport macros from `alloc`

* Introduce `RuntimeString` and fix `ProvideInherent` on `no_std`

* Replace `VersionString` with `RuntimeString`

* Improvements for `impl_outer_inherent!`

* Make `construct_runtime!` support `impl_outer_inherent!`

* Fixes after rebase

* Whitespace

* Revert "Revert runtime changes."

This reverts commit 01a7d1aa.

* Parallel queue reads.

* Avoid recursion in best iterator.

* resolve #780

* in import tx insert after retracting so blocks don't disappear

* adapt db/cache to changes to db/utils

* db/light: remove old hash lookup insertion

* renames

* improve naming

* improve naming

* db/utils: improve docs for block lookup key stuff

* db/light/note_finalized: adapt to changes for issue #780

* db/light/cht/tests: add assertions for HASH_LOOKUP

* simplify

addresses
https://github.com/paritytech/substrate/pull/890#discussion_r226009746

* break long line

addresses
https://github.com/paritytech/substrate/pull/890#discussion_r226002211

* Whitespace

* Initial sketch.

* More work.

* Grammar.

* Fix.

* Fix grammar.

* Implement Ready/Future events.

* Trigger invalid notification.

* Clearing stale transactions test.

* Fix RPC test.

* changes trie pruning

* add comment

* do not prune changes tries on archive nodes

* 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

* Change next_era to new_era in comments so there is no confusion

* Change next_era to new_era in comments so there is no confusion

* Adds new `check_inherents` function to the `BlockBuilder` API

* Switch to `check_inherents` in `node-consensus`

* Remove `CheckedBlock`, because it is not required anymore

* Fixes after rebase

* Fixes compilation on stable

* Split out Consensus
* Supply ImportQueue through network-service
  - simplify ImportQueue.import_blocks
  - remove Deadlock on import_block
  - Adding Verifier-Trait
  - Implement import_queue provisioning in service; allow cli to import
* Allow to actually customize import queue
* Consensus Gossip: Cache Message hash per Topic

* Fixes error in `impl_apis!` macro, caused by a missing comma

* Adds another missing comma

* System should provide default Lookup impl

* Use proxy struct as in balances

* fix ignored test

* move CI to --release per Gav

* Make `on_message` take the message as `&mut Option<_>`

* Make `ConsensusGossip` implement `Specialization`

* Move `new_session` into `ConsensusGossip`

* Adds `construct_simple_protocol` macro for simplifying the creation of protocols

* 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

* Adding instructions specific for OS X

* fix link format

* fix link format

* adding mac libraries and how to start testnet

* adding bullets to make it more clear

* typo