[BUGFIX] Forcegraph transparency
[BUGFIX] Forcegraph transparency

freifunkMUC/meshviewer,hopglass/ffrgb-meshviewer,Freifunk-Rhein-Neckar/meshviewer,ffrgb/meshviewer,xf-/meshviewer-1,FreifunkBremen/meshviewer-ffrgb,ffrgb/meshviewer,FreifunkMD/Meshviewer,FreifunkBremen/meshviewer-ffrgb,Freifunk-Rhein-Neckar/meshviewer,FreifunkMD/Meshviewer,xf-/meshviewer-1,hopglass/ffrgb-meshviewer,rubo77/meshviewer-1,rubo77/meshviewer-1,Freifunk-Troisdorf/meshviewer,Freifunk-Troisdorf/meshviewer,freifunkMUC/meshviewer,Freifunk-Rhein-Neckar/meshviewer