refactor block format (integrate compact document)

blockchain/lib.rs

blockchain/stack_up_block.rs

blockchain/sync.rs

dal/block.rs

dal/identity.rs

dal/lib.rs

dal/parsers/blocks.rs

dal/parsers/certifications.rs

dal/parsers/revoked.rs

dal/writers/block.rs

dal/writers/certification.rs

dal/writers/identity.rs

dal/writers/mod.rs

dal/writers/requests.rs

documents/blockchain/v10/documents/block.rs

documents/blockchain/v10/documents/certification.rs

documents/blockchain/v10/documents/identity.rs

documents/blockchain/v10/documents/membership.rs

documents/blockchain/v10/documents/mod.rs

documents/blockchain/v10/documents/revocation.rs