Address ISLANDORA-1116
ISLANDORA-1116 disapproves, vehemently, with image/jpg
Address ISLANDORA-1115.
Merge pull request #127 from ruebot/7.x-ISLANDORA-1115

Address ISLANDORA-1115.
Merge pull request #125 from ruebot/7.x-ISLANDORA-1116

Address ISLANDORA-1116