* balances: Turn storage items into parameters.

* contract: Turn storage items into parameters.

* council: Turn storage items into parameters.

* finality-tracker: Turn storage items into parameters.

* treasury: Turn storage items into parameters.

* democracy: Fix tests.

* example: Fix tests.

* executive: Fix tests.

* staking: Fix tests.

* Update runtime.

* Update template-node.

* Update runtime version.

* Fix executor tests.

* Fix node cli tests.

* Address grumbles.

* Add removed default values to docs.

* Make gas price a storage item.

* Set associated consts must be callable outside of build.

* Fix not enough gas to pay for transfer fee.

* Fix build.

* Emit metadata.

* Fix build.

* Add default values for all parameter types.

* Fix build.

* Fix build.

* Fix build.

* Fix build.

* Initial mechanics for 80:20 fee split

Also:
- Introduce extra functions for Imbalance manipulation;
- Store treasury pot in an account, letting total issuance account for
  it.

* Fix some tests

* Fix some tests

* Minor cleanups

* Update parity-codec version (#2855)

* Update parity-codec version

* Update grandpa, rhododendron and trie-bench

* Use primitive-types from crates.io

* Bump impl version

* Fix trie-bench version

* Fix lock files

* Fix versions

* Update codec to 4.1

* merge fix

* Revert merge

* More reversions

* Remove accidental code

* Update locks

* Bump runtime

* Update locks

* Tweaks and label TODO

* Update srml/treasury/src/lib.rs

Co-Authored-By: DemiMarie-parity <[email protected]>

* Update issue number

* Update core/sr-primitives/src/traits.rs

Co-Authored-By: Robert Habermeier <[email protected]>

* Fix wasm build

* Fix subkey build

* Adds a `SpawnTaskHandle` to core service

* Fixes compilation

* Remove `into()`

fix typo

* Fix DiscoveryBehaviour::poll.

The previous implementation regularly returned `NotReady` from `poll`
despite the inner Kademlia behaviour having events ready, thus letting
the `poll`ing be largely driven by the task wakeups from the Delay for
the next random Kademlia query, inducing major delays in consuming
the ready Kademlia events and thus slowing progress.

The discovery test now passes quickly, as expected.

* Ensure the Delay is polled right after reset.

For task wakeup.

* Some cleanup

* Add module constant metadata declaration

* Begin to integrate the constants in `decl_module`

* Fixes tests

* Fix compilation and add tests

* Remove duplicate code

* Expose constants in democracy and staking + further fixes

* Update srml/metadata/src/lib.rs

Co-Authored-By: YJ <[email protected]>

* Hide `RawEvent` metadata function

* Prevent whitespaces in types

* Fix `offchain_worker` and `constants` with instances

* Up the `impl_version`

* Fix macro

* Incrase impl_version

This macro compiles and executes the given code only when `std` feature
is enabled. This can be useful for debugging without needing to worry
that your code does not compile on `no_std`.