Update Dockerfile, www/afghan.jpg, www/afghan-cropped.jpg, www/cameraman.jpg, www/cameraman-cropped.png, www/cellpose-cropped.png, www/cellpose_transparent.png, www/CIFAR-10.png, www/CIFAR-10-cropped.png, www/database-3.png, www/deeplabcut.png, www/dlc-cropped.png, www/eci.jpg, www/gift.png, www/logo.png, www/mouse.jpg, www/mouse-cropped.jpg, www/network.png, www/noise-cropped.png, www/non-local-means.png, www/ontology-renku.svg, www/play-button-1.png, www/renku-cycle.png, www/repeat-1.png, www/search-1.png, www/settings-3.png, www/stardist-cropped.png, www/stardist_logo.jpg, www/user-2.png, www/view-1.png, www/White-noise-mv255-240x180.png, www/zebrafish.jpg, www/zebrafish-cropped.jpg, www/eci.md, www/fair.md, www/include.html, www/renku.md, server.R, ui.R, README.md, .renku/renku.ini files