documented dependency on Active State [SF#623959]

Author: Richard Jones

doc/installation.txt

@@ -2,7 +2,7 @@
 Installing Roundup
 ==================
 
-:Version: $Revision: 1.33 $
+:Version: $Revision: 1.34 $
 
 .. contents::
 
@@ -39,6 +39,11 @@ contain many fixes to serious bugs.
 If you want to use Berkeley DB bsddb3 with Roundup, use version 3.3.0 or
 later. Download the latest version from http://pybsddb.sourceforge.net/.
 
+If you're on windows, you will either need to be using the ActiveState python
+distribution (at http://www.activestate.com/Products/ActivePython/), or you'll
+have to install the win32all package separately (get it from
+http://starship.python.net/crew/mhammond/win32/).
+
 
 Getting Roundup
 ===============