STYLE: use 1-col alphabetical output in reworked doxygen output

- avoids overflows in a fixed width boxes

doc/doxygen/Allwmake

 #!/bin/sh
 cd ${0%/*} || exit 1    # run from this directory
+
+[ -d "$WM_PROJECT_DIR" ] || {
+    echo "Error: WM_PROJECT_DIR directory does not exist"
+    echo "    Check the OpenFOAM entries in your dot-files and source them."
+    echo "    WM_PROJECT_DIR=$WM_PROJECT_DIR"
+    exit 1
+}
+
 set -x
 
 rm -rf latex man

doc/doxygen/Doxyfile

@@ -760,7 +760,7 @@ ALPHABETICAL_INDEX     = YES
 # the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns
 # in which this list will be split (can be a number in the range [1..20])
 
-COLS_IN_ALPHA_INDEX    = 4
+COLS_IN_ALPHA_INDEX    = 1
 
 # In case all classes in a project start with a common prefix, all
 # classes will be put under the same header in the alphabetical index.

doc/doxygen/_Footer

@@ -2,7 +2,7 @@
   </div> <!-- main -->
   <div class="footer">
     <p>
-      Copyright&nbsp;&copy;&nbsp;2000-2010&nbsp;
+      Copyright&nbsp;&copy;&nbsp;2004-2011&nbsp;
       <a href="http://www.openfoam.com/about">OpenCFD Limited</a>
       | OPENFOAM&reg; and OpenCFD&reg; are registered trademarks of OpenCFD Ltd.
     </p>