address https://github.com/Islandora/islandora_solution_pack_video/pull/31#discussion-diff-3624698
address https://github.com/Islandora/islandora_solution_pack_video/pull/31#discussion-diff-3624938
address https://github.com/Islandora/islandora_solution_pack_video/pull/31#discussion-diff-3624989
address https://github.com/Islandora/islandora_solution_pack_video/pull/31#discussion-diff-3625042
address https://github.com/Islandora/islandora_solution_pack_video/pull/31#discussion-diff-3625134
address https://github.com/Islandora/islandora_solution_pack_video/pull/31#discussion-diff-3625144
last of first round of addressing comments in PR 31