* removed derive copy from network, address and ledgerstate
* changed is_max_block_time_enforced to accept ref
* changed NetworkUpgrade::Current to accept ref
* changed NetworkUpgrade::Next to accept ref
* changed NetworkUpgrade::IsActivationHeight to accept ref
* changed NetworkUpgrade::TargetSpacingForHeight to accept ref
* changed NetworkUpgrade::TargetSpacings to accept ref
* changed NetworkUpgrade::MinimumDifficultySpacing_forHeight to accept ref
* changed NetworkUpgrade::IsTestnetMinDifficultyBlock to accept ref
* changed NetworkUpgrade::AveragingWindowTimespanForHeight to accept ref
* changed NetworkUpgrade::ActivationHeight to accept ref
* changed sapling_activation_height to accept ref
* fixed lifetime for target_spacings
* fixed sapling_activation_height
* changed transaction_to_fake_v5 and fake_v5_transactions_for_network to accept ref to network
* changed Input::vec_strategy to accept ref to network
* changed functions in zebra-chain/src/primitives/zcash_history.rs to accept ref to network
* changed functions in zebra-chain/src/history_tree.rs to accept ref to network
* changed functions in zebra-chain/src/history_tree.rs to accept ref to network
* changed functions in zebra-chain/src/primitives/address.rs to accept ref to network
* changed functions in zebra-chain/src/primitives/viewing_key* to accept ref to network
* changed functions in zebra-chain/src/transparent/address.rs to accept ref to network
* changed functions in zebra-chain/src/primitives/zcash_primitives.rs to accept ref to network
* changed functions in zebra-chain/src/primitives/zcash_note_encryption.rs to accept ref to network
* changed functions in zebra-chain/src/primitives/history_tree* to accept ref to network
* changed functions in zebra-chain/src/block* to accept ref to network
* fixed errors in zebra-chain::parameters::network
* fixed errors in zebra-chain::parameters::network
* fixed errors in zebra-chain
* changed NonEmptyHistoryTree and InnerHistoryTree to hold value instead of ref
* changed NonEmptyHistoryTree and InnerHistoryTree to hold value instead of ref
* fixed errors in zebra-chain/src/block/arbitrary.rs
* finished fixing errors in zebra-chain - all crate tests pass
* changed functions in zebra-state::service::finalized_state to accept &Network
* changed functions in zebra-state::service::non_finalized_state to accept &Network
* zebra-state tests run but fail with overflow error
* zebra-state tests all pass
* converted zebra-network -- all crate tests pass
* applied all requested changes from review
* converted zebra-consensus -- all crate tests pass
* converted zebra-scan -- all crate tests pass
* converted zebra-rpc -- all crate tests pass
* converted zebra-grpc -- all crate tests pass
* converted zebrad -- all crate tests pass
* applied all requested changes from review
* fixed all clippy errors
* fixed build error in zebrad/src/components/mempool/crawler.rs