doxygen: customize layout to rename Modules to Routines

Author: mgates3

DOCS/DoxygenLayout.xml

@@ -4,22 +4,25 @@
   <navindex>
     <tab type="mainpage" visible="yes" title=""/>
     <tab type="pages" visible="yes" title="" intro=""/>
-    <tab type="modules" visible="yes" title="" intro=""/>
+
+    <!-- LAPACK: change "Modules" to "Routines" -->
+    <tab type="modules" visible="yes" title="Routines" intro=""/>
+
     <tab type="namespaces" visible="yes" title="">
       <tab type="namespacelist" visible="yes" title="" intro=""/>
       <tab type="namespacemembers" visible="yes" title="" intro=""/>
     </tab>
     <tab type="classes" visible="yes" title="">
       <tab type="classlist" visible="yes" title="" intro=""/>
-      <tab type="classindex" visible="$ALPHABETICAL_INDEX" title=""/> 
+      <tab type="classindex" visible="$ALPHABETICAL_INDEX" title=""/>
       <tab type="hierarchy" visible="yes" title="" intro=""/>
       <tab type="classmembers" visible="yes" title="" intro=""/>
     </tab>
     <tab type="files" visible="yes" title="">
       <tab type="filelist" visible="yes" title="" intro=""/>
       <tab type="globals" visible="yes" title="" intro=""/>
     </tab>
-    <tab type="examples" visible="yes" title="" intro=""/>  
+    <tab type="examples" visible="yes" title="" intro=""/>
   </navindex>
 
   <!-- Layout definition for a class page -->