Refactor: rename folder and project to reflect microservice/application

Refactor: rename folder and project to reflect microservice/application

* [x]  cache-invalidator-service 
* [x] data-streams-publisher
* [x] data-streams-to-autocomplete 
* [x] data-streams-to-graph
* [ ] mysql-database 
* [ ] notifications-service-node
* [ ] redis-gears-recipes 
* [ ] sql-data-generator 
* [ ] ui-redis-front-end/redis-front
* [ ] Rename master project 
