root repo changelog links to sub-projects (#1214)

CHANGELOG.md

@@ -1,29 +1,22 @@
 # Changelog
-
-All notable changes to this project will be documented in this
-file.  This project adheres to [Semantic Versioning](http://semver.org/).
-
-As this project is pre 1.0, breaking changes may happen for minor version
-bumps.  A breaking change will get clearly notified in this log.
-
-NOTE:  this changelog represents the changes that are associated with the library code in this repo (rather than the tools or services in this repo).  
-
-## [Unreleased]
-
-### Added
-
-- xdr: added support for new signer types
-- build: `Signer` learned support for new signer types
-- strkey: added support for new signer types
-- network:  Added the `HashTransaction` helper func to get the hash of a transaction targeted to a specific stellar network.
-- trades: Added Server-Sent Events endpoint to support streaming of trades
-- trades: add `base_offer_id` and `counter_offer_id` to trade resources.
-- trade aggregation: Added an optional `offset` parameter that lets you offset the bucket timestamps in hour-long increments. Can only be used if the `resolution` parameter is greater than 1 hour. `offset` must also be in whole-hours and less than 24 hours.
-
-
-### Changed:
-
-- build: _BREAKING CHANGE_:  A transaction built and signed using the `build` package no longer default to the test network.
-- trades for offer endpoint will query for trades that match the given offer on either side of trades, rather than just the "sell" offer.
-
-[Unreleased]: https://github.com/stellar/go/commits/master
+This repository adheres to [Semantic Versioning](http://semver.org/).
+
+This monorepo contains a number of projects, individually versioned and released. Please consult the relevant changelog:
+
+* `horizon server` ([changelog](./services/horizon/CHANGELOG.md))
+* `horizonclient` ([changelog](./clients/horizonclient/CHANGELOG.md))
+* `txnbuild` ([changelog](./txnbuild/CHANGELOG.md))
+* `bridge` ([changelog](./services/bridge/CHANGELOG.md))
+* `compliance` ([changelog](./services/compliance/CHANGELOG.md))
+* `federation` ([changelog](./services/federation/CHANGELOG.md))
+* `bifrost` ([changelog](./services/bifrost/CHANGELOG.md))
+* `ticker` (experimental) ([changelog](./exp/ticker/CHANGELOG.md))
+* `stellar-vanity-gen` ([changelog](./tools/stellar-vanity-gen/CHANGELOG.md))
+* `stellar-sign` ([changelog](./tools/stellar-sign/CHANGELOG.md))
+* `stellar-archivist` ([changelog](./tools/stellar-archivist/CHANGELOG.md))
+* `stellar-hd-wallet` ([changelog](./tools/stellar-hd-wallet/CHANGELOG.md))
+
+If a project is pre-v1.0, breaking changes may happen for minor version
+bumps.  A breaking change will be clearly notified in the corresponding changelog.
+
+Official project releases may be found here: https://github.com/stellar/go/releases

txnbuild/CHANGELOG.md

@@ -0,0 +1,8 @@
+# Changelog
+
+All notable changes to this project will be documented in this
+file.  This project adheres to [Semantic Versioning](http://semver.org/).
+
+## [v1.0.0](https://github.com/stellar/go/releases/tag/horizonclient-v1.0) - 2019-04-26
+
+* Initial release