Update ChangeLog of customvision
- Added operation CustomVisionPredictionClientOperationsMixin.detect_image
- Added operation group CustomVisionTrainingClientOperationsMixin
+**Breaking changes**
+
+- Credentials are now longer a simple string, but a `msrest.authentication.ApiKeyCredentials` instance instead
+
**General Breaking changes**
This version uses a next-generation code generator that *might*
