Cut release v0.4.0 (#1107)

Signed-off-by: Bartek Plotka <[email protected]>

CHANGELOG.md

@@ -11,7 +11,7 @@ We use *breaking* word for marking changes that are not backward compatible (rel
 
 ## Unreleased
 
-## [v0.4.0-rc.1](https://github.com/improbable-eng/thanos/releases/tag/v0.4.0-rc.1) - 2019.04.26
+## [v0.4.0](https://github.com/improbable-eng/thanos/releases/tag/v0.4.0) - 2019.05.3
 
 :warning: **IMPORTANT** :warning: This is the last release that supports gossip. From Thanos v0.5.0, gossip will be completely removed.
 
@@ -20,6 +20,8 @@ See [this](docs/proposals/approved/201809_gossip-removal.md) for more details.
 
 ### Added
 
+- [thanos.io](https://thanos.io) website & automation :tada: 
+- [#1053](https://github.com/improbable-eng/thanos/pull/1053) compactor: Compactor & store gateway now handles incomplete uploads gracefully. Added hard limit on how long block upload can take (30m).
 - [#811](https://github.com/improbable-eng/thanos/pull/811) Remote write receiver component :heart: :heart: thanks to RedHat (@brancz) contribution.
 - [#910](https://github.com/improbable-eng/thanos/pull/910) Query's stores UI page is now sorted by type and old DNS or File SD stores are removed after 5 minutes (configurable via the new `--store.unhealthy-timeout=5m` flag).
 - [#905](https://github.com/improbable-eng/thanos/pull/905) Thanos support for Query API: /api/v1/labels. Notice that the API was added in Prometheus v2.6.
@@ -79,7 +81,7 @@ Note that this is required to have SRV resolution working on [Golang 1.11+ with
     * Added `thanos_rule_evaluation_with_warnings_total` to Ruler.
     * DNS `thanos_ruler_query_apis*` are now `thanos_ruler_query_apis_*` for consistency.
     * DNS `thanos_querier_store_apis*` are now `thanos_querier_store_apis__*` for consistency.
-    * Query Gate `thanos_bucket_store_series*` are now `thanos_bucket_store_series___*` for consistency.
+    * Query Gate `thanos_bucket_store_series*` are now `thanos_bucket_store_series_*` for consistency.
     * Most of thanos ruler metris related to rule manager has `strategy` label.
 
   Ruler tracing spans:

VERSION

@@ -1 +1 @@
-0.4.0-rc.1
+0.4.0