[Midnightbsd-cvs] src: COPYING.GPL3: Add a copy of the GPLv3 license.

[laffer1 at midnightbsd.org]

Log Message:
-----------
Add a copy of the GPLv3 license.  We're bringing in a GPLv3 app so might as well warn people.

All GPLv3 commits MUST be approved by me (laffer1@)

Added Files:
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    src/gnu:
        COPYING.GPL3 (r1.1)
        (http://cvsweb.midnightbsd.org/src/gnu/COPYING.GPL3?rev=1.1&content-type=text/x-cvsweb-markup)