Update the links to the NumPy website and documentation, based on a

comment from Janko Hauser <jhauser@ifm.uni-kiel.de>.

Doc/lib/libarray.tex

@@ -187,10 +187,9 @@ array('d', [1.0, 2.0, 3.14])
 \begin{seealso}
   \seemodule{struct}{packing and unpacking of heterogeneous binary data}
   \seemodule{xdrlib}{packing and unpacking of XDR data}
-  \seetext{The Numeric Python extension (NumPy) defines another array
-           type; see \emph{The Numerical Python Manual} for additional 
-           information (available online at
-           \url{ftp://ftp-icf.llnl.gov/pub/python/numericalpython.pdf}). 
-           Further information about NumPy is available at
-           \url{http://www.python.org/topics/scicomp/numpy.html}.}
+  \seetitle[http://numpy.sourceforge.net/numdoc/numdoc.pdf]{The
+           Numerical Python Manual}{The Numeric Python extension
+           (NumPy) defines another array type; see
+           \url{http://numpy.sourceforge.net/} for further information
+           about Numerical Python.}
 \end{seealso}