* state-db: typo fixes
* use fmt::Result for 'fmt'
* state-db: typo fixes
* state-db: use the same pattern to pass the parameter
* state-db: follow the same style
* finalization for in_mem
* fetch last finalized block
* pruning: use canonical term instead of final
* finalize blocks in full node
* begin to port light client DB
* add tree-route
* keep number index consistent in full nodes
* fix tests
* disable cache and finish porting light client
* add AsMut to system module
* final leaf is always best
* fix all tests
* Fix comment and trace
* removed unused Into call
* add comment on behavior of `finalize_block`
* First effort
* API versioning
* Introduce validate_transaction
* Introduce the API plus fixes.
* Docs
* Typo
* Add longevity parameter to transaction validity info.
* Remove unneeded script
* Rename Substrate Demo -> Substrate
* Rename demo -> node
* Build wasm from last rename.
* Merge ed25519 into substrate-primitives
* Minor tweak
* Rename substrate -> core
* Move substrate-runtime-support to core/runtime/support
* Rename/move substrate-runtime-version
* Move codec up a level
* Rename substrate-codec -> parity-codec
* Move environmental up a level
* Move pwasm-* up to top, ready for removal
* Remove requirement of s-r-support from s-r-primitives
* Move core/runtime/primitives into core/runtime-primitives
* Remove s-r-support dep from s-r-version
* Remove dep of s-r-support from bft
* Remove dep of s-r-support from node/consensus
* Sever all other core deps from s-r-support
* Forgot the no_std directive
* Rename non-SRML modules to sr-* to avoid match clashes
* Move runtime/* to srml/*
* Rename substrate-runtime-* -> srml-*
* Move srml to top-level
Guanqun Lu