Added link_color_func function.
Added link_color_func function.
krrepo/scipy-cluster,LogicalKnight/scipy-cluster,LogicalKnight/scipy-cluster,krrepo/scipy-cluster,tectronics/scipy-cluster,ozcanesen/scipy-cluster,krrepo/scipy-cluster,ozcanesen/scipy-cluster,tectronics/scipy-cluster,deads/scipy-cluster,deads/scipy-cluster,tectronics/scipy-cluster,deads/scipy-cluster,krrepo/scipy-cluster,ozcanesen/scipy-cluster,LogicalKnight/scipy-cluster,LogicalKnight/scipy-cluster,deads/scipy-cluster,tectronics/scipy-cluster,ozcanesen/scipy-cluster