Update readme with libjudy reference.

storage/oqgraph/README

 OQGraph storage engine v3
-Copyright (C) 2007-2014 Arjen G Lentz & Antony T Curtis for Open Query
+Copyright (C) 2007-2014 Arjen G Lentz & Antony T Curtis for Open Query, & Andrew McDonnell
 
 The Open Query GRAPH engine (OQGRAPH) is a computation engine allowing
 hierarchies and more complex graph structures to be handled in a
@@ -12,9 +12,12 @@ v3 implementation by Antony Curtis, Arjen Lentz, Andrew McDonnell
 For more information, documentation, support, enhancement engineering,
 see http://openquery.com/graph or contact graph@openquery.com
 
-
-
 INSTALLATION
 
-OQGraph requires at least version 1.40.0 of the Boost library. To
+OQGraph requires at least version 1.40.0 of the Boost Graph library. To
 obtain a copy of the Boost library, see http://www.boost.org/
+This can be obtained in Debian Wheezy by `apt-get install libboost-graph-dev`
+
+OQGraph requires libjudy - http://judy.sourceforge.net/
+This can be obtained in Debian Wheezy by `apt-get install libjudy-dev`
+