Temporary commit for fixing Report

This temporary commit has been made to add to Report all the
informations needed to generate a valid FormattedResource,
in particular:
 * Each TestItem should return a ReturnCode (and not a Report)
 * Each Report should have a list of ReturnCodes from the TestItems
 * All id should be present in the various classes:
   - sessionId from TestBenchConfiguration
   - testPlanId from TestPlan
   - testId from TestCase
   then all get/set methods have been added to each class
 * Added blank files for Formatter package

Signed-off-by: Raffaele Aquilone <aquiloneraf@gmail.com>