comply to last fmt version

crypto/keys/ed25519.rs

crypto/keys/mod.rs

crypto/lib.rs

documents/blockchain/mod.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

documents/blockchain/v10/documents/transaction.rs

documents/lib.rs

wotb/legacy.rs

wotb/lib.rs

wotb/rusty.rs