* Migrated parent-spring-5 version (spring-core and spring-security) * Cleaned spring-security version being used in some modules. Now using the parent version
Relevant articles:
- HandlerAdapters in Spring MVC
 - Template Engines for Spring
 - Spring 5 and Servlet 4 – The PushBuilder
 - Servlet Redirect vs Forward
 - Apache Tiles Integration with Spring MVC
 - Guide to Spring Email
 - Request Method Not Supported (405) in Spring
 - Spring @RequestParam Annotation
 - Validating RequestParams and PathVariables in Spring