* BAEL-2434
* BAEL-2434
* Minor alterations to reflect changes in the article
* Fixing Spel expression and removing extra code that is not referenced anymore in the article
* Moved the files from spring-core to spring-static-resources. Renamed ResourceUtil to ResourceReader.
* Changes due to change of article outline.
* Changes due to change of article outline.
* Removing Converter from article
* Migrated parent-spring-5 version (spring-core and spring-security)
* Cleaned spring-security version being used in some modules. Now using the parent version