SpringBoot Review support and documentation for preventing compile-only dependencies from being packaged in fat jars

This pull request update the spring-boot-autoconfigure-processor documentation, and resolve the issue number #21109, in order to exclude the lib from the spring-boot compile versión repackage.

Comment From: pivotal-issuemaster

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Comment From: pivotal-issuemaster

@ghost Please sign the Contributor License Agreement!

Click here to manually synchronize the status of this Pull Request.

See the FAQ for frequently asked questions.