Phillip Webb d8de8752ea Change metrics exporters to auto-configurations
Refactor `*ExportConfiguration` classes to be regular auto-configuration
classes.

Also removed the `@ConditionalOnProperty` guards for `.enabled` properties
since auto-configuration can now be excluded in the usual way. Enabled
properties remain where applicable and are adapted for Micrometer to use
as it sees fit.

Fixes gh-11838
2018-02-06 17:42:14 -08:00
..
2018-02-02 12:03:12 +00:00