A+C: more updates, including Medium corporate CLA

Updates #10639

Change-Id: I0958e150f6eab122095bfc148746a38028b72dbc
Reviewed-on: https://go-review.googlesource.com/12263Reviewed-by: Andrew Gerrand <adg@golang.org>

AUTHORS

@@ -8,6 +8,7 @@
 
 # Please keep the list sorted.
 
+A Medium Corporation
 Aamir Khan <syst3m.w0rm@gmail.com>
 Aaron France <aaron.l.france@gmail.com>
 Abhinav Gupta <abhinav.g90@gmail.com>
@@ -25,6 +26,7 @@ Aleksandar Dezelin <dezelin@gmail.com>
 Alex A Skinner <alex@lx.lc>
 Alex Brainman <alex.brainman@gmail.com>
 Alex Jin <toalexjin@gmail.com>
+Alex Plugaru <alex@plugaru.org> <alexandru.plugaru@gmail.com>
 Alex Schroeder <alex@gnu.org>
 Alex Sergeyev <abc@alexsergeyev.com>
 Alexander Larsson <alexander.larsson@gmail.com>
@@ -412,6 +414,7 @@ Paul A Querna <paul.querna@gmail.com>
 Paul Hammond <paul@paulhammond.org>
 Paul Lalonde <paul.a.lalonde@gmail.com>
 Paul Sbarra <Sbarra.Paul@gmail.com>
+Paul Smith <paulsmith@pobox.com> <paulsmith@gmail.com>
 Paul van Brouwershaven <paul@vanbrouwershaven.com>
 Pavel Zinovkin <pavel.zinovkin@gmail.com>
 Percy Wegmann <ox.to.a.cart@gmail.com>

CONTRIBUTORS

@@ -53,6 +53,7 @@ Alex A Skinner <alex@lx.lc>
 Alex Brainman <alex.brainman@gmail.com>
 Alex Bramley <abramley@google.com>
 Alex Jin <toalexjin@gmail.com>
+Alex Plugaru <alex@plugaru.org> <alexandru.plugaru@gmail.com>
 Alex Schroeder <alex@gnu.org>
 Alex Sergeyev <abc@alexsergeyev.com>
 Alexander Larsson <alexander.larsson@gmail.com>
@@ -192,6 +193,7 @@ Damian Gryski <dgryski@gmail.com>
 Damien Neil <dneil@google.com>
 Dan Callahan <dan.callahan@gmail.com>
 Dan Peterson <dpiddy@gmail.com>
+Dan Pupius <dan@medium.com>
 Dan Sinclair <dan.sinclair@gmail.com>
 Daniel Fleischman <danielfleischman@gmail.com>
 Daniel Krech <eikeon@eikeon.com>
@@ -556,6 +558,7 @@ Paul Lalonde <paul.a.lalonde@gmail.com>
 Paul Marks <pmarks@google.com>
 Paul Nasrat <pnasrat@google.com>
 Paul Sbarra <Sbarra.Paul@gmail.com>
+Paul Smith <paulsmith@pobox.com> <paulsmith@gmail.com>
 Paul van Brouwershaven <paul@vanbrouwershaven.com>
 Pavel Zinovkin <pavel.zinovkin@gmail.com>
 Pawel Szczur <filemon@google.com>