Not whitescreening on pages that are missing their parent issue.
Merge pull request #5 from willtp87/7.x

Not whitescreening on pages that are missing their parent issue.
made callback compliant with new seadragon function call
Merge branch '7.x' of https://github.com/Islandora/islandora_solution_pack_newspaper into 7.x
Always using token authentication for djatoka
Merge branch '7.x' of https://github.com/daniel-dgi/islandora_solution_pack_newspaper into 7.x