Some changes about ALUGrid installation.

[[Imported from SVN: r4740]]

doc/installation-notes.wml

@@ -102,13 +102,15 @@ available for download. You'll have to inquire via email.
 
 <h3>ALUGrid</h3>
 <ol>
-<li>Download at least version 0.3 of ALUGrid from the <a href="http://www.mathematik.uni-freiburg.de/IAM/Research/alugrid/">ALUGrid homepage</a>.</li>
+<li>Download the latest version of ALUGrid from the <a href="http://www.mathematik.uni-freiburg.de/IAM/Research/alugrid/">ALUGrid homepage</a>.</li>
 <li><p>Unpack it in a directory</p>
-	   <kbd>tar xzf ALUGrid-0.3.tar.gz</kbd>
+	   <kbd>tar xzf ALUGrid-0.x.tar.gz</kbd>
     <p>and move to that directory</p>
 <kbd>
-	cd ALUGrid-0.3
-</kbd></li>
+	cd ALUGrid-0.x 
+</kbd>
+    <p>and read the README file first.</p>
+  </li>
 
 <li><p>Configure ALUGrid, e. g.</p>
 <kbd>
@@ -118,7 +120,8 @@ available for download. You'll have to inquire via email.
 <p>for the sequential use of ALUGrid.</p>
 <p>
     With --prefix the absolute path of the directory we install to has
-    to be given.
+    to be given. If no --prefix given, ALUGrid is installed into the
+    directory where it was unpacked.
 </p>
 <p>
     With the variable CC and CXX we tell configure the C and C++
@@ -127,8 +130,12 @@ available for download. You'll have to inquire via email.
 </p>
 <p>
     If you want to use the parallel version of ALUGrid one has to
-    proceed as follows. As the compiler used to compile your mpi
-    version might differ from the version needed for DUNE instead of
+    proceed as follows. To compile the library you need a valid MPI version
+    installed. The easiest way to compile the parallel version is to use
+    the MPI compiler script (i.e. mpiCC or mpicxx) by calling configure with CXX="mpicxx" for
+    example. Optionally you can use the DUNE mpi-config tool. 
+    As the compiler used to compile your mpi version might differ from 
+    the version needed for DUNE instead of
     specify mpi as the compiler we provide the include path and linker
     path of MPI.
 </p>