Rename DefaultGenerator to ContractGenerator in order to create the
HelperGenerator class
Rename LiteProcessor to LiteEntityProcessor & Update the processor
locator file
Use an utility class for annotations processing needs
Add a class that includes statically all commun processors methods.
Update processor locator -- add LiteHelperProcessor
Add a method to generate lite helper full qualified class name
Add a new generator class as helper template
Fix bugs on EntityModel members
Comment the generateLiteHelperFullQualifiedClassName