This updates all source files to use a new standard header for copyright
and license declaration. Notably, copyright no longer includes a date,
and we now use the standard SPDX-License-Identifier header.
This commit was done almost entirely mechanically with perl, and then
some minimal manual fixes.
Updates #6865
Signed-off-by: Will Norris <will@tailscale.com>
This will spin up a few vms and then try and make them connect to a
testcontrol server.
Updates #1988
Signed-off-by: Christine Dodrill <xe@tailscale.com>
Will Norris