[enh] Allow to login using a V1 account (salt+pwd)

package-lock.json

package.json

resources/logo/index.html

resources/logo/preview.css

resources/logo/svg/black/logo.large.cesium.svg

resources/logo/svg/black/logo.large.cs.svg

resources/logo/svg/black/logo.large.empty.transparent.svg

resources/logo/svg/black/logo.small.cs.svg

resources/logo/svg/black/logo.small.empty.transparent.svg

resources/logo/svg/colors/logo.large.cesium.dune.svg

resources/logo/svg/colors/logo.large.cesium.svg

resources/logo/svg/colors/logo.large.cs.dune.svg

resources/logo/svg/colors/logo.large.cs.svg

resources/logo/svg/colors/logo.large.empty.dune.svg

resources/logo/svg/colors/logo.large.empty.svg

.../logo/svg/colors/logo.large.empty.transparent.noticks.svg

resources/logo/svg/colors/logo.large.empty.transparent.svg

resources/logo/svg/colors/logo.small.cs.dune.svg

resources/logo/svg/colors/logo.small.cs.svg

resources/logo/svg/colors/logo.small.empty.dune.svg