mat: fix README godoc link
MODIFY
AUTHORS
AUTHORS
@@ -20,6 +20,7 @@ Ethan Burns <burns.ethan@gmail.com>
Evert Lammerts <evert.lammerts@gmail.com>
Facundo Gaich <facugaich@gmail.com>
Fazlul Shahriar <fshahriar@gmail.com>
+Google Inc
Iakov Davydov <iakov.davydov@unil.ch>
Jalem Raj Rohit <jrajrohit33@gmail.com>
James Bell <james@stellentus.com>

MODIFY
CONTRIBUTORS
CONTRIBUTORS
#
# Please keep the list sorted.
+Andrew Brampton <brampton@gmail.com>
Brendan Tracey <tracey.brendan@gmail.com>
Bill Gray <wgray@gogray.com>
Bill Noon <noon.bill@gmail.com>

MODIFY
mat/README.md
mat/README.md
-# Gonum matrix [![GoDoc](https://godoc.org/gonum.org/v1/gonum/matrix?status.svg)](https://godoc.org/gonum.org/v1/gonum/matrix)
+# Gonum matrix [![GoDoc](https://godoc.org/gonum.org/v1/gonum/mat?status.svg)](https://godoc.org/gonum.org/v1/gonum/mat)
-Package matrix is a matrix package for the Go language.
+Package mat is a matrix package for the Go language.

mat: fix README godoc link