Fixes gh-3099

* fix-doc:
  Remove spock caveat that was fixed in 1.0

Closes gh-3072

* patch-15:
  polish
  Document `spring.metrics.export.*` properties

Closes gh-3110

See gh-3110

* patch-14:
  Remove duplicate in MetricExportProperties

Closes gh-3109

Fixes gh-3112

Fixes gh-3113

Closes gh-3098

* cache:
  Polish Javadoc

Closes gh-3101

Add OrderedHiddenHttpMethodFilter and use it in WebMvcAutoConfiguration
to ensure that it is applied before Spring Security.

Fixes gh-2773

Update MetricsFilter so that failures to record metrics are logged and
ignored.

Fixes gh-2777

Update `ConfigurationPropertiesReportEndpoint` so that properties that
are set with a Boolean class but read with a boolean primitive still
appear in the report. The allows the Endpoint.isEnabled() property to
be displayed.

Fixes gh-2929

Fixes gh-2730

Extract @ConditionalOnEnabledEndpoint to a top level class.

See gh-2798

Update ChangedFile to clean paths when returning the relative name.

See gh-3082

Closes gh-3020

* gh-2419:
  polish mail jndi support
  Add mail jndi support

Closes gh-2419

See gh-2419

Closes gh-3077