* core/state/snapshot, core/types, eth: move account definition to type * core, eth: revert snapshot Account API change
* cmd/geth, core/state/snapshot: rework journal loading, implement account-check * core/state/snapshot, cmd/geth: polish code (#37) * core/state/snapshot: minor nits * core/state/snapshot: simplify error logic * cmd/geth: go format Co-authored-by: rjl493456442 <garyrong0905@gmail.com>