* 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
* 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
* 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
* Add missing `As` imports.
* Adds new API traits that will be used by the client and runtime
* Switch consensus to new API's
* Switches transaction-pool to new API's
* Move runtime api stuff into its own crate
* Adds `impl_apis!` macro for implementing the new API traits
* Make `metadata` return directly a blob
* Runtime replace `impl_stubs!` with `impl_apis!`
* Switches to none feature based approach for declaring the different API traits
* Fixes compilation error
* Fixes errors
* Make the `decl_apis!` trait usable from the outside
* Make the `test-client` use the new API traits
* Remove last `impl_stubs!` bits and move some of them into wasm executor for tests
* A little bit more documentation
Bastian Köcher