Also use incoming relations in graph
Also use incoming relations in graph

If our current object has only ingoing relations, then we switch our
context and draw a graph based on 1 of their parents. (could be many).
At least we don't get "no relations".
Also fixes our EOL function. Now we read directly from DWC instead of
the title.

DiegoPino/islandora_solution_pack_redbiodiversidad-7.x-dev,DiegoPino/islandora_solution_pack_redbiodiversidad-7.x-dev,DiegoPino/islandora_solution_pack_redbiodiversidad-7.x-dev