public void setup(BasicDataSource dataSource, PropertiesWrapper propertiesWrapper) {
		setupVariants(dataSource, propertiesWrapper);
		setupCommon(dataSource);
	}
Set up database. this method consists of two parts.<br/>
The first part is variant setup b/w databases. The second is common setup among databases.

@param dataSource        dataSource
@param propertiesWrapper {@link PropertiesWrapper} which contains db access info
ngrinder-controller/src/main/java/org/ngrinder/infra/config/Database.java