change media library to media to have consistently one-word thingies
change media library to media to have consistently one-word thingies

topicdesign/topkit-server,topicdesign/topkit-server,topicdesign/topkit-builder,topicdesign/topkit-server,topicdesign/topkit-server,topicdesign/topkit-builder,topicdesign/topkit-builder,topicdesign/topkit-builder