CHANGELOG: add missing changes from 3.2.15, 3.3.0-rc.4

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>

CHANGELOG-3.2.md

@@ -1,5 +1,15 @@
 
 
+## [v3.2.15](https://github.com/coreos/etcd/releases/tag/v3.2.15) (2018-01-22)
+
+See [code changes](https://github.com/coreos/etcd/compare/v3.2.14...v3.2.15) and [v3.2 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_2.md) for any breaking changes.
+
+### Fixed
+
+- Prevent [server panic from member update/add](https://github.com/coreos/etcd/pull/9174) with [wrong scheme URLs](https://github.com/coreos/etcd/issues/9173).
+- Log [user context cancel errors on stream APIs in debug level with TLS](https://github.com/coreos/etcd/pull/9178).
+
+
 ## [v3.2.14](https://github.com/coreos/etcd/releases/tag/v3.2.14) (2018-01-11)
 
 See [code changes](https://github.com/coreos/etcd/compare/v3.2.13...v3.2.14) and [v3.2 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_2.md) for any breaking changes.

CHANGELOG-3.3.md

@@ -2,7 +2,11 @@
 
 ## [v3.3.0](https://github.com/coreos/etcd/releases/tag/v3.3.0) (2018-02-01)
 
-**v3.3.0 is not yet released; expected to be released in January 2018.**
+**v3.3.0 is not yet released.**
+
+## [v3.3.0-rc.4](https://github.com/coreos/etcd/releases/tag/v3.3.0-rc.4) (2018-01-22)
+
+See [code changes](https://github.com/coreos/etcd/compare/v3.3.0-rc.3...v3.3.0-rc.4) and [v3.3 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_3.md) for any breaking changes.
 
 ## [v3.3.0-rc.3](https://github.com/coreos/etcd/releases/tag/v3.3.0-rc.3) (2018-01-17)
 
@@ -207,6 +211,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.2.0...v3.3.0-rc.0)
 - Handle [empty key permission](https://github.com/coreos/etcd/pull/8514) in `etcdctl`.
 - Fix [`mvcc/backend.defragdb` nil-pointer dereference on create bucket failure](https://github.com/coreos/etcd/pull/9119).
 - Fix [server crash](https://github.com/coreos/etcd/pull/8010) on [invalid transaction request from gRPC gateway](https://github.com/coreos/etcd/issues/7889).
+- Prevent [server panic from member update/add](https://github.com/coreos/etcd/pull/9174) with [wrong scheme URLs](https://github.com/coreos/etcd/issues/9173).
 - Fix [`clientv3.WatchResponse.Canceled`](https://github.com/coreos/etcd/pull/8283) on [compacted watch request](https://github.com/coreos/etcd/issues/8231).
 - Handle [WAL renaming failure on Windows](https://github.com/coreos/etcd/pull/8286).
 - Make [peer dial timeout longer](https://github.com/coreos/etcd/pull/8599).

CHANGELOG-3.4.md

@@ -10,15 +10,22 @@
   - [AppC was officially suspended](https://github.com/appc/spec#-disclaimer-), as of late 2016.
   - [`acbuild`](https://github.com/containers/build#this-project-is-currently-unmaintained) is not maintained anymore.
   - `*.aci` files are not available from `v3.4` release.
+- Migrate dependency management tool from `glide` to [`golang/dep`](https://github.com/coreos/etcd/pull/9155).
+  - Move `cmd/vendor` directory to `vendor` at repository root.
+  - Remove recursive symlinks in `cmd` directory.
+  - Now `go get/install/build` on `etcd` packages (e.g. `clientv3`, `tools/benchmark`) enforce builds with `vendor` directory.
 
-### Added(`etcd`)
+### Added(API)
 
+- Add [`snapshot`](https://github.com/coreos/etcd/pull/9118) package for snapshot restore/save operations.
 - Add [`watch_id` field to `etcdserverpb.WatchCreateRequest`](https://github.com/coreos/etcd/pull/9065), allow user-provided watch ID to `mvcc`.
   - Corresponding `watch_id` is returned via `etcdserverpb.WatchResponse`, if any.
+- Add [`raftAppliedIndex` field to `etcdserverpb.StatusResponse`](https://github.com/coreos/etcd/pull/9176) for current Raft applied index.
 
-### Added(`etcdctl`)
+### Added(v3 `etcdctl`)
 
-- Add [package `snapshot` for snapshot restore logic](https://github.com/coreos/etcd/pull/9118).
+- Add [`check datascale`](https://github.com/coreos/etcd/pull/9185) command.
+- Add ["raft applied index" to `endpoint status`](https://github.com/coreos/etcd/pull/9176).
 
 ### Package `raft`