This updates `parity-scale-codec` to `1.2.0`, which includes multiple
performance improvements and a fix that bounds the capacity of a vector
at decoding.
* setting first batch of descriptions
* fix what I just broke
* next batch
* and pallets, too
* last batch
* set cargo.lock
* keep'em dev-deps
* bump version to alpha.2
* setting versions to development pre-release
fixing version in dependencies
* unset already released wasm-builder
* do not publish test crates
* adding licenses
* setting homepage metadata
* set repository url
* Init epoch changes module
* Initial integration of new epoch changes module for BABE
* Fix all initial compile errors
* rename: digest -> digests
* Fix babe tests
* Bump impl_version
* Fix more test issues
* Remove test flag for tree
It unfortunately won't work for multiple crates.
* Update cargo lock
* Fix duplicate parking_lot version
* Add missing license header
Bastian Köcher