infobox/node: always show lastseen also change loadavg name
infobox/node: always show lastseen
also change loadavg name

FreifunkMD/Meshviewer,xf-/meshviewer-1,Freifunk-Rhein-Neckar/meshviewer,FreifunkMD/Meshviewer,gherber/hopglass,srauscher/hopglass,freifunkMUC/meshviewer,FreifunkBremen/meshviewer-ffrgb,FreifunkBremen/meshviewer-ffrgb,gherber/hopglass,yayachiken/hopglass,plumpudding/hopglass,xf-/meshviewer-1,plumpudding/hopglass,srauscher/hopglass,Freifunk-Troisdorf/meshviewer,ffrgb/meshviewer,Freifunk-Luxembourg/hopglass,hopglass/ffrgb-meshviewer,yayachiken/hopglass,rubo77/meshviewer-1,Freifunk-Luxembourg/hopglass,ffrgb/meshviewer,Freifunk-Rhein-Neckar/meshviewer,freifunkMUC/meshviewer,hopglass/hopglass,rubo77/meshviewer-1,Freifunk-Rhein-Neckar/meshviewer,Freifunk-Troisdorf/meshviewer,hopglass/hopglass,hopglass/ffrgb-meshviewer