Fix #597, lightbox breaks with single images
Fix #597, lightbox breaks with single images

Trying to remove nodes from grandparent rather than parent,
changed to DOM2 .remove() call.

newtheatre/history-project,newtheatre/history-project,johnathan99j/history-project,johnathan99j/history-project,johnathan99j/history-project,johnathan99j/history-project,newtheatre/history-project,johnathan99j/history-project,newtheatre/history-project,newtheatre/history-project