updating the dependency again to use finally the
mapsengine-api-java-wrapper.

Updating the data model to use the api model
updating the model with the first validations, 
adding first logging, 
adding the toString methods
cleaning validationException system,
moving tests to test folder,
improving tests to go though all the validations rules,
adding a basic log4j configuration for testing
renaming the tests classes to emphasis they are basic tests. Stronger
tests will be created later using larger dataset