Update changelog for hostvars support

Author: hush-hush

CHANGELOG.md

@@ -1,6 +1,9 @@
 CHANGELOG
 =========
 
+# 2.0.0 / 2017-12-12
+- [FEATURE] Add support for getting api_key from hostvars and thus from vault. See [#25][]
+
 # 1.0.2 / 2017-12-11
 * [BUGFIX] Avoid failure when using ansible 2.4. See [#27][]
 
@@ -11,5 +14,6 @@ CHANGELOG
 First release, compatible with Ansible v1 & v2
 
 <!--- The following link definition list is generated by PimpMyChangelog --->
+[#25]: https://github.com/DataDog/ansible-datadog-callback/issues/25
 [#27]: https://github.com/DataDog/ansible-datadog-callback/issues/27
 [#19]: https://github.com/DataDog/ansible-datadog-callback/issues/19

README.md

@@ -25,11 +25,11 @@ as following:
 ```
 api_key: <your-api-key>
 ```
-alternatively (when using Ansible >=2.0) add:
+
+alternatively you can use the hostvars of the host ansible is being run from (preferably in the vault file):
 ```
 datadog_api_key: <your-api-key>
 ```
-to hostvars (preferably in the vault file) of the host ansible is being run from.
 
 3. Be sure to whitelist the plugin in your ansible.cfg
 ```