Property's service and model layers were updated
Property's service and model layers were updated, org.json package was also added.
Property configuration validations (regex, mandatory, minsize and maxsize) implemented.
New updates in Property for the last comments
More InstanceIntegration tests implemented
lom exceptions extending RuntimeException.class, and more InstanceIntegration tests implemented
Brand new tests in PropertyIntegrationTest (JSON configuration validation) and all Instance was implemented (with the InstanceIntegrationTest)
Little update in tests
A fast update for a test
Merge pull request #4 from sinvalmendes/master

Instance implementation done