Updated copyright year in TiGL Viewer
Updated copyright year in TiGL Viewer

codingpoets/tigl,codingpoets/tigl,codingpoets/tigl,codingpoets/tigl,DLR-SC/tigl,DLR-SC/tigl,DLR-SC/tigl,DLR-SC/tigl,codingpoets/tigl,DLR-SC/tigl,codingpoets/tigl,DLR-SC/tigl