put version into docs
diff --git a/doc/jsoncpp.dox b/doc/jsoncpp.dox
index 0581476..0954974 100644
--- a/doc/jsoncpp.dox
+++ b/doc/jsoncpp.dox
@@ -140,4 +140,6 @@
 and recognized in your jurisdiction.
 
 \author Baptiste Lepilleur <blep@users.sourceforge.net> (originator)
+\version \include version
+\sa version.h
 */