* Adding source code for tutorial tracked by BAEL-2971
* Renaming Integration Test as par standard
* Incorporated review comments on the article.
* Moved the morphia module inside persistence-modules/java-mongodb
* Deleted the module morphia.
* move security content from spring-security-rest-full
* swagger update
* move query language to new module
* rename spring-security-rest-full to spring-rest-full
* group persistence modules
