Fix CHANGLOG for 1.8.0 (#6751)

* Fix CHANGLOG for 1.8.0

* Update changelog for 1.8.0

* Add changelog for 1.7.7

CHANGELOG.md

@@ -1,25 +1,32 @@
-## Parity [v1.8.0](https://github.com/paritytech/parity/releases/tag/v1.8.0) (2017-10-13)
+## Parity [v1.8.0](https://github.com/paritytech/parity/releases/tag/v1.8.0) (2017-10-15)
 
-@TODO describe and document
+We are happy to announce our newest Parity 1.8 release. Among others, it enables the following features:
 
-- WASM contracts
-- light cient improvements (POA chain compatibility)
-- Trezor wallet support
-- Abstraction of engine: Generalize engine trait, Move more params to the common section
-- PICOPS certification badge
-- Vouch for Dapps
-- Premissioned p2p-connections
-- Transaction permissioning
-- Add Musicoin and MCIP-3 UBI hardfork.
-- Add pagination for trace_filter rpc method
-- Rename network_id to chain_id where applicable
-- Compatibility with whisper v6
-- Byzantium updates
-- Rewards on closing blocks
+- Full Whisper v6 integration
+- Trezor hardware-wallet support
+- WASM contract support
+- PICOPS KYC-certified accounts and vouching for community-dapps
+- Light client compatibility for Proof-of-Authority networks
+- Transaction permissioning and permissioned p2p-connections
+- Full Byzantium-fork compatibility
+- Full Musicoin MCIP-3 UBI-fork compatibility
+
+Further, users upgrading from 1.7 should acknowledge the following changes:
+
+- The chain-engine was further abstracted and chain-specs need to be upgraded. [#6134](https://github.com/paritytech/parity/pull/6134) [#6591](https://github.com/paritytech/parity/pull/6591)
+- `network_id` was renamed to `chain_id` where applicable. [#6345](https://github.com/paritytech/parity/pull/6345)
+- `trace_filter` RPC method now comes with pagination. [#6312](https://github.com/paritytech/parity/pull/6312)
+- Added tracing of rewards on closing blocks. [#6194](https://github.com/paritytech/parity/pull/6194)
 
 Full list of included changes:
 
-- CLI: Reject invalid argument values rather than ignore them (#6747)
+- Updated ethabi to fix auto-update ([#6771](https://github.com/paritytech/parity/pull/6771))
+- Fixed kovan chain validation ([#6760](https://github.com/paritytech/parity/pull/6760))
+  - Fixed kovan chain validation
+  - Fork detection
+  - Fixed typo
+- Bumped fork block number for auto-update ([#6755](https://github.com/paritytech/parity/pull/6755))
+- CLI: Reject invalid argument values rather than ignore them ([#6747](https://github.com/paritytech/parity/pull/6747))
 - Fixed modexp gas calculation overflow ([#6745](https://github.com/paritytech/parity/pull/6745))
 - Backport beta - Fixes Badges ([#6732](https://github.com/paritytech/parity/pull/6732))
   - Fix badges not showing up ([#6730](https://github.com/paritytech/parity/pull/6730))

docs/CHANGELOG-1.7.md

@@ -1,3 +1,14 @@
+## Parity [v1.7.7](https://github.com/paritytech/parity/releases/tag/v1.7.7) (2017-10-15)
+
+Parity 1.7.7 Fixes an issue with auto-update system. Updating is recommended, but not required for Byzantium.
+
+Full list of included changes:
+
+- Fix auto-update ([#6769](https://github.com/paritytech/parity/pull/6759))
+  - Bump to v1.7.7
+  - Updated ethabi to fix auto-update
+- Bumped fork block number for auto-update ([#6754](https://github.com/paritytech/parity/pull/6754))
+
 ## Parity [v1.7.6](https://github.com/paritytech/parity/releases/tag/v1.7.6) (2017-10-13)
 
 Parity 1.7.6 includes a critical consensus-relevant fix for the Byzantium hard-fork. Please upgrade your Ethereum client before block number `4_370_000`.