* frame: GenesisBuild::build allowed in no_std
i`GenesisBuild::build` function will be required for no_std in no native
runtime world.
`GenesisBuild::build` macro generated function allows to build the runtime
GenesisConfig assembled from all pallets' GenesisConfigs.
* fixes
* GenesisBuild::build avaiable in no-std
- #[cfg(feature = "std")] is not longer added to GenesisBuild implementation.
* system: hash69 available for no-std
* elections-phragmen: panic message fixed for no_std
* frame::suport: doc updated
* test-runtime: default for GenesisConfig
* frame::test-pallet: serde/std added to std feature deps
* Cargo.toml: deps sorted
* Cargo.lock update
cargo update -p frame-support-test-pallet -p frame-support-test
* frame ui tests: cleanup
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Co-authored-by: parity-processbot <>