summary:

* Adding a test for the future getSOAPValue() function of a Tracker_FormElement_Field_CrossReference
* Renaming function to getCrossReferencesByDirection
Complete getSOAPValue function
Export XReferences in get_artifact SOAP request
Remove useless var_dump + useless function
Rename getCrossReferencesByDirection in getCrossReferencesGroupByDirection
Add docblock and fix a typo
Taking account of review's comment
Merge remote-tracking branch 'stable/master' into 2005_SOAP_get_artifact_cross_references
Merge branch '2005_SOAP_get_artifact_cross_references' into tuleap-stable-master

* 2005_SOAP_get_artifact_cross_references:
  Taking account of review's comment
  Add docblock and fix a typo
  Rename getCrossReferencesByDirection in getCrossReferencesGroupByDirection
  Remove useless var_dump + useless function
  Export XReferences in get_artifact SOAP request
  Complete getSOAPValue function
  summary:
5.8.99.7