Mark KEP-25 as implemented and refresh list. (#1382)

Signed-off-by: Marcin Owsiany <mowsiany@D2iQ.com>

keps/0025-template-to-yaml-function.md

@@ -9,7 +9,7 @@ owners:
 editor: @porridge
 creation-date: 2020-02-25
 last-updated: 2020-02-25
-status: implementable
+status: implemented
 see-also:
   - KEP-24
 ---
@@ -129,6 +129,7 @@ Ultimately, operator developers need to apply this feature with some care.
 
 - 2020-02-25 - Initial draft. (@porridge)
 - 2020-02-28 - Changed to implementable. (@porridge)
+- 2020-03-02 - Implemented in [#1375](https://github.com/kudobuilder/kudo/pull/1375). (@porridge)
 
 ## Alternatives
 

keps/README.md

@@ -26,3 +26,5 @@
 | [0019 - Versioning of Operator Packages](0019-package-api-versioning.md) | implementable | Connection between the different versions that describe an operator |
 | [0020 - Manual plan execution](0020-manual-plan-execution.md) | provisional |  |
 | [0023 - Enabling and Disabling features in KUDO Operators](0023-enable-disable-features.md) | implementable |  |
+| [0024 - Enabling and Disabling features in KUDO Operators](0024-parameter-enhancement.md) | provisional |  |
+| [0025 - Template toYaml function](0025-template-to-yaml-function.md) | implemented | New toYaml function for use in templates |