Solr core seperated for Category, product and outlet
Solr Category based search
Updated Model generated and test class with general constants changes
Adding Datasetup class and updated service imple files with logger.
save product attributes with dbref in services
Adding sample category mongo document testing
Complete category and its attribute creation.
Need to complete product to category service impl
added service methods for mapcategory2category and product2product and
product2category
Updated Catalog creation and mapping to categories.