Refactor TuleapSoapConnector SOAP API creation

Create two fields codendiAPIPort for common SOAP API and
tuleapTrackerV5APIPort for SOAP API entry point.
Refactor existing constructor to initialize the SOAP API objects.
Create a new constructor that will be used for test which takes as
arguments the SOAP API objects.
Set the SOAP API packages available to test project.
Add tests on TuleapSoapConnector

Test on :
- Getting the configuration
- Getting an artifact
- Updating an artifact
- Getting the reports
Add tests on tuleap artifact to task data binding.