* make spec.name() part of database_path preventing collisions
resolves#279
* add `id` field to `ChainSpec`
* add blank line for readability
* dot/cli: use spec_id in db_path
* dot/cli: make spec_id part of keystore_path
* dot/cli: make spec_id part of network_path
* add id field to poc-1.json chain spec
* dot/cli: spec_id -> chain_id
* Genesis serialization
* Custom type for AuthorityId
* Merge w master
* Fixed a few minor issues
* Fixed unmerged file
* Renamed tag
* Deferred genesis loading
* Upated wasm runtime
* Minor issues