* add article files
* update kotlin version in pom
* IntelliJ added binary folder to all the .gitignores
* IntelliJ added binary folder to all the .gitignores
* update test function names
* Expand tests and add more code for more meaningful content within the article.
Remove core-kotlin from parent pom again for eclipse to work.
* adjust for issues with custom-pmd
* rename test
* Revert "IntelliJ added binary folder to all the .gitignores"
This reverts commit 0850a2acd5.
* Revert "IntelliJ added binary folder to all the .gitignores"
This reverts commit 2b17cf2ff3.
d7eaa00804