Fixing bad references to elements.viewer.
Fixing bad references to elements.viewer.

mr-justin/document-viewer,documentcloud/document-viewer,roberttdev/document-viewer4,dannguyen/document-viewer,mr-justin/document-viewer,documentcloud/document-viewer,dannguyen/document-viewer,mr-justin/document-viewer,dannguyen/document-viewer,roberttdev/document-viewer4,documentcloud/document-viewer,roberttdev/document-viewer4