ports/161518: [patch] update/add devel/scons version 2.1.0

[scheidell at FreeBSD.org]

Synopsis: [patch] update/add devel/scons version 2.1.0

Responsible-Changed-From-To: freebsd-ports-bugs->scheidell
Responsible-Changed-By: scheidell
Responsible-Changed-When: Sat Jan 28 13:13:58 UTC 2012
Responsible-Changed-Why: 
I'll take it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=161518