Added man page, incremented version. Patch from Matthew Duggan

<stauff1@users.sourceforge.net>.
Henning Meier-Geinitz <henning@meier-geinitz.de>

doc/descriptions/canon_pp.desc

@@ -9,8 +9,8 @@
 ;
 
 :backend "canon_pp"		; name of backend
-; :manpage "sane-canon"
-:version "0.1"			; version of backend
+:manpage "sane-canon_pp"
+:version "0.2"			; version of backend
 :status :alpha			; :alpha, :beta, :stable, :new
 
 :url "http://canon-fb330p.sourceforge.net" ; backend home page