Update ObjectFinder to PriorKnowledgeData

Update to structure of https://gitlab.com/ArmarX/PriorKnowledgeData :

• Additional directory level (data/PriorKnowledgeData/objects/)
• Articulated object XML (object-name_articulated.xml)

added feature label

assigned to @RainerKartmann

created merge request !174 (merged) to address this issue

mentioned in merge request !174 (merged)

mentioned in commit 1a711741

closed