* BAEL-2837: Add sample set operations in Java
* BAEL-2837 add new module core-java-collections-set
* BAEL-2837 Updated readme.md file
* BAEL-2837 Tidy dependencies in pom.xml
* BAEL-2837 tidy white space in pom.xml
* BAEL-2837 Rename unit test class
* BAEL-2837 Removed unused logback-xml