adding parameter to ignore default values when creating new artifact
only ignoring default values for transition fields
Revert "adding parameter to ignore default values when creating new artifact"

This reverts commit c00ae5c114c8bd131737caf71e98a98cb81cf0f5.

Conflicts:
	plugins/tracker/include/Tracker/FormElement/Tracker_FormElement_Field_List.class.php
better readability
Merge branch '1631_workflow_new_artifact_issues' into stable

* 1631_workflow_new_artifact_issues:
  better readability
  Revert "adding parameter to ignore default values when creating new artifact"
  only ignoring default values for transition fields
  adding parameter to ignore default values when creating new artifact