add planet and foresee; correct some URLs and names (#1870)
add planet and foresee; correct some URLs and names (#1870)

Signed-off-by: William Morgan <c824fe0afe16857dd6f587aa7c4044d2642d60fb@buoyant.io>
BuoyantIO/linkerd,linkerd/linkerd,linkerd/linkerd,linkerd/linkerd,BuoyantIO/linkerd