ports/178972: ports/math/py-networkx update to from 1.6 to 1.7

[wen at FreeBSD.org]

Synopsis: ports/math/py-networkx update to from 1.6 to 1.7

State-Changed-From-To: open->closed
State-Changed-By: wen
State-Changed-When: Sun May 26 14:54:12 UTC 2013
State-Changed-Why: 
Committed, with remove many g in pkg-plist :)

http://www.freebsd.org/cgi/query-pr.cgi?pr=178972