Fix misspelled word 'cemantic' to 'centric'.
Bug fix: Arrange a position of the pane when an entity is deleted too.
Refactor the renderer and the controller about relations.
1.Remove a reference from the renderer to the controller.
2.Rename rid to fullname 'relationId'.
3.Remove unused variables "label" and "tooptip".
4.Set relations style by textae original CSS class.
5.the jsPlubmInstance is moved from the renderer to renderer.relation.