new version of the viewer with correct averageHeight calculation instead of NaN
new version of the viewer with correct averageHeight calculation instead of NaN

documentcloud/documentcloud,documentcloud/documentcloud,documentcloud/documentcloud,moodpo/documentcloud,monofox/documentcloud,ivarvong/documentcloud,Teino1978-Corp/Teino1978-Corp-documentcloud,gunjanmodi/documentcloud,ivarvong/documentcloud,ivarvong/documentcloud,monofox/documentcloud,moodpo/documentcloud,gunjanmodi/documentcloud,ivarvong/documentcloud,roberttdev/dactyl4,moodpo/documentcloud,dannguyen/documentcloud,gunjanmodi/documentcloud,moodpo/documentcloud,documentcloud/documentcloud,roberttdev/dactyl,roberttdev/dactyl,Teino1978-Corp/Teino1978-Corp-documentcloud,monofox/documentcloud,gunjanmodi/documentcloud,roberttdev/dactyl,Teino1978-Corp/Teino1978-Corp-documentcloud,monofox/documentcloud,roberttdev/dactyl4,Teino1978-Corp/Teino1978-Corp-documentcloud,dannguyen/documentcloud,dannguyen/documentcloud,dannguyen/documentcloud,roberttdev/dactyl4,roberttdev/dactyl4