Fix changelog format (and alphabatize stuff)

CHANGELOG.md

@@ -1,11 +1,4 @@
 ## UNRELEASED
-FEATURES:
-
-* agent: add `local-only` parameter to operator/keyring list requests to force queries to only hit local servers. [[GH-6279](https://github.com/hashicorp/consul/pull/6279)]
-
-BUG FIXES:
-
-* snapshot: fix TCP half-close implementation for TLS connections [[GH-6216](https://github.com/hashicorp/consul/pull/6216)]
 
 BREAKING CHANGES:
 
@@ -13,28 +6,30 @@ BREAKING CHANGES:
 
 FEATURES:
 
+* agent: add `local-only` parameter to operator/keyring list requests to force queries to only hit local servers. [[GH-6279](https://github.com/hashicorp/consul/pull/6279)]
 * connect: expose an API endpoint to compile the discovery chain [[GH-6248](https://github.com/hashicorp/consul/issues/6248)]
 
 IMPROVEMENTS:
 
-* gossip: increase size of gossip key generated by keygen to 32 bytes and document support for AES 256 [[GH-6244](https://github.com/hashicorp/consul/issues/6244)]
 * connect: reconcile how upstream configuration works with discovery chains [[GH-6225](https://github.com/hashicorp/consul/issues/6225)]
 * connect: simplify the compiled discovery chain data structures [[GH-6242](https://github.com/hashicorp/consul/issues/6242)]
 * connect: detect and prevent circular discovery chain references [[GH-6246](https://github.com/hashicorp/consul/issues/6246)]
+* gossip: increase size of gossip key generated by keygen to 32 bytes and document support for AES 256 [[GH-6244](https://github.com/hashicorp/consul/issues/6244)]
 * license (enterprise): Added license endpoint support to the API client [[GH-6268](https://github.com/hashicorp/consul/pull/6268)]
 
 BUG FIXES:
 
-* connect : Fixed a regression that broken xds endpoint generation for prepared query upstreams. [[GH-6236](https://github.com/hashicorp/consul/pull/6236)]
+* api: un-deprecate api.DecodeConfigEntry [[GH-6278](https://github.com/hashicorp/consul/issues/6278)]
+* api: Fix a bug where the service tagged addresses were not being returned through the `v1/agent/service/:service` api. [[GH-6299](https://github.com/hashicorp/consul/issues/6299)]
 * cli: Fixed bindable IP detection with the `connect envoy` command. [[GH-6238](https://github.com/hashicorp/consul/pull/6238)]
+* cli: ensure that the json form of config entries can be submitted with 'consul config write' [[GH-6290](https://github.com/hashicorp/consul/issues/6290)]
+* connect : Fixed a regression that broken xds endpoint generation for prepared query upstreams. [[GH-6236](https://github.com/hashicorp/consul/pull/6236)]
 * connect: validate upstreams and prevent duplicates [[GH-6224](https://github.com/hashicorp/consul/issues/6224)]
-* server: if inserting bootstrap config entries fails don't silence the errors [[GH-6256](https://github.com/hashicorp/consul/issues/6256)]
 * connect: fix failover through a mesh gateway to a remote datacenter [[GH-6259](https://github.com/hashicorp/consul/issues/6259)]
-* api: un-deprecate api.DecodeConfigEntry [[GH-6278](https://github.com/hashicorp/consul/issues/6278)]
 * connect: ensure intention replication continues to work when the replication ACL token changes [[GH-6288](https://github.com/hashicorp/consul/issues/6288)]
-* command: ensure that the json form of config entries can be submitted with 'consul config write' [[GH-6290](https://github.com/hashicorp/consul/issues/6290)]
 * connect: allow mesh gateways to use central config [[GH-6302](https://github.com/hashicorp/consul/issues/6302)]
-* api: Fix a bug where the service tagged addresses were not being returned through the `v1/agent/service/:service` api. [[GH-6299](https://github.com/hashicorp/consul/issues/6299)]
+* server: if inserting bootstrap config entries fails don't silence the errors [[GH-6256](https://github.com/hashicorp/consul/issues/6256)]
+* snapshot: fix TCP half-close implementation for TLS connections [[GH-6216](https://github.com/hashicorp/consul/pull/6216)]
 
 ## 1.6.0-beta3 (July 26, 2019)