Cleaned up main/README. Replaced UNIX with Linux. Refer to new building…

Cleaned  up main/README.  Replaced UNIX with Linux.  Refer to new building guide.  Fixed build recipe.

README

@@ -8,11 +8,11 @@ Apache OpenOffice (AOO)
     http://incubator.apache.org/openofficeorg/
 
     Apache OpenOffice is a very large project with many components and mainly 
-    implemented in C++ but also in Java, Python and other languages.
+    implemented in C++ but also in Java, Perl, Python and other languages.
 
     Currently supported platforms include:
 
-        UNIX variants
+        Linux variants
         Windows
         Mac OS X
         OS/2
@@ -38,22 +38,7 @@ Building Apache OpenOffice
 
     A comprehensive and complete building guide can be found in the project wiki under
 
-    http://wiki.services.openoffice.org/wiki/Documentation/Building_Guide
-
-    The complete list of prerequisites is documented at
-
-    http://wiki.services.openoffice.org/wiki/Documentation/Building_Guide/Build_Requirements
-
-    and platform specific guides for
-
-    Windows: 
-        http://wiki.services.openoffice.org/wiki/Documentation/Building_Guide/Building_on_Windows
-    Linux: 
-        http://wiki.services.openoffice.org/wiki/Documentation/Building_Guide/Building_on_Linux
-    Mac OS X: 
-        http://wiki.services.openoffice.org/wiki/MacOSXBuildInstructions
-    Solaris: 
-        http://wiki.services.openoffice.org/wiki/Documentation/Building_Guide/Building_on_Solaris
+    http://wiki.openoffice.org/wiki/Documentation/Building_Guide_AOO
 
     With having all prerequisites in place you can simply run
 
@@ -61,9 +46,12 @@ Building Apache OpenOffice
     autoconf
     ./configure <configure_switches>
     ./bootstrap
-    cd instsetoo_native/util
+    source *.set.sh
+    cd instsetoo_native
     build --all
 
+    Note that building OpenOffice can take several hours.
+
     The default build will produce a setup version (e.g. setup program on windows, dmg on Mac OS, 
     rpm and deb packages on Linux, pkg packages on Solaris) and an archived version. The output
     can be found in the <output> directory in instsetoo_native/<output_dir>/OpenOffice/...