Fix wrong java runtime version mentioned in reference doc (Spring Security)

Spring Security is a powerful and highly customizable authentication and access-control framework. It is the de-facto standard for securing Spring-based applications. 

The reference documentation still referred to Java 5.0 as minimum runtime version which is wrong. This commit changes this to the correct

  • Java 8 runtime version as required minimum version.
  • In addition it corrects a fuzzy wording regarding stripping down the spring-security-core jar.

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Commit: "cd452ff"

LastMod Date using GitInfo: cd452ff