message: chore: CHANGELOG for v0.25.0 and v0.25.1
diff: +# [v0.25.1](https://github.com/nervosnetwork/ckb/compare/v0.25.0...v0.25.1) (2019-11-15)
  +
  +Embed lina chain spec
  +
  +# [v0.25.0](https://github.com/nervosnetwork/ckb/compare/v0.24.0...v0.25.0) (2019-11-14)
  +
  +### Features
  +
  +* #1785: Upgrade system script for modified multi-sign lock script (@xxuejie)
  +
  + See https://github.com/nervosnetwork/ckb-system-scripts/pull/61 for related changes.
  +
  +* #1779: Upgrade rocksdb with ReadOnlyDB changes (@xxuejie)
  +
  + See https://github.com/nervosnetwork/rust-rocksdb/pull/1 for changes for the rocksdb library.
  +
  + While this won't affect CKB, it provides a different rocksdb version that can aid ReadOnly mode when using ckb packages.
  +
  +* #1784: Support limit `max_tx_verify_cycles` (@jjyr)
  +
  + The purpose is to limit max verify cycles on single tx, to reduce DDOS vulnerability.
  +
  +* #1788: Limit tx max ancestors count (@jjyr)
  +
  + Txs with long ancestors chain affect tx pool performance. we limit max ancestors count of a single tx to resolve this issue, tx pool will reject txs which ancestors count large than the limit.
  +
  + The default `max_ancestors_count` is 25.
  +
  +* #1797: Allow specify single consensus param in spec (@zhangsoledad)
  +* #1803: Allow overriding system script cell capacity (@doitian)
  +
  + This make the system script cell capacity determined.
  +
  +
  +### Bug Fixes
  +
  +* #1752: Return non-zero rewards for the first 11 blocks (@keroro520)
  +
  + * fix: Return non-zero rewards for the first 11 blocks
  + * test: Add DAOVerifier to verify the dao_fields
  +
  +* #1770: Skip cellbase short-id collision validation (@quake)
  +* #1791: Error message on calculate dao max withdraw (@driftluo)
  +* #1792: Add missing type script in RPC (@driftluo)
  +* #1804: Retrieve few burned ckb in genesis block (@yangby-cryptape)
  +* #1805: Proposal table bound (@zhangsoledad)
  +* #1801: Calculate interest with older withdraw header (@keroro520)
  +
  + This small bug will not cause any validity problems.
  +
  +* #1813: Fix get locator performance bug (@TheWaWaR)
  +
  + When get header from main chain we can get it from snapshot
  +
  +### Improvements
  +
  +* #1729: DB iterator interface (@zhangsoledad)
  +
  + * get rid of useless lifetimes and unnecessary intermediate conversion code
  + * property api
  +
  +* #1655: Avoid reproposed uncle proposals (@keroro520)
  +
  # [v0.24.0](https://github.com/nervosnetwork/ckb/compare/v0.23.0...v0.24.0) (2019-11-02)
  ### Breaking Changes
  