* [BAEL-7669] Example code for article. Setting global TimeZone in spring
* Added logback-test.xml for spring tests, to set level to INFO
* [BAEL-7669] Switched to spring-boot-application to include more examples
* Added things needed in pom.xml, without affecting existing versions
* [BAEL-7669] After code review: exported spring boot version in property
- Fixed constant name, to follow the uppercase convention
- Added comments to explain the commented out options, as described in the article
* [BAEL-7669] Added example of reading timezone value from properties file
* [BAEL-7669] Moved code to spring-boot-customization module