[FIX] Add the gpl.txt file

bzr revid: stephane@tinyerp.com-20081231104047-5x93vo571tb3mzxd

MANIFEST.in

@@ -3,8 +3,10 @@ include README
 include bin/import_xml.rng
 include bin/server.cert
 include bin/server.pkey
+include bin/gpl.txt
+include man/openerp-server.1
+include man/openerp_serverrc.5
 recursive-include doc *
-recursive-include man *
 recursive-include bin *xml *xsl *sql *rml *sxw *csv *rng
 graft bin/addons/
 global-exclude *pyc *~