Finished first release of the serialization module.

- Support for simple types, user declared classes (this will be extended and used by the code
  generation engine), and arrays (of simple types and user defined ones as
  wall).
- Deleted all previous tests
- Added unit tests that are executed now using gradle tool during the
  compilation process.
Fixed errors with file locations.

Moved some files to the correct folders where they should be. Filex use of
Serializer interface instead of SerializerImpl.
Added modified files and Calculator tests

Modified files to fit with the new API.
Added Calculator classes to the test package.
Added new AsyncCallback interface to deal with asynchronous calls.
Headers updated

Updated all header in .java files
Improved servant dispatcher.
Added Calculator source generated by the kiaragen tool.
Moved CalculatorTest to the com.kiara.calculator package.
Fixed TransportMessageDispatcher to work with new serialization API.
Added support for closing Context and Server.
Split CalculatorTest into synchronous and parallel synchronous.
Added asynchronous Calculator tests.
Updated generated files for Calculator test.
Changes in Serialization API

Finished changes in the serialization API. Added support for multi
dimensional arrays.
Merge branch 'feature-serialization-merge'
Added unit test for transport.