Install some additional man pages

--- devscripts-2.13.4/scripts/Makefile	2013-09-20 00:55:41.000000000 +0200
+++ devscripts-2.13.4-new/scripts/Makefile	2013-10-17 17:21:02.612017885 +0200
@@ -103,5 +104,7 @@ install: all
 	install -dD $(DESTDIR)$(PERLMOD_DIR)
 	mv $(DESTDIR)$(BINDIR)/debpkg $(DESTDIR)$(PERLMOD_DIR)
 	cp debpkg-wrapper $(DESTDIR)$(BINDIR)/debpkg
+	install -dD $(DESTDIR)$(MAN1DIR)
+	cp *.1 $(DESTDIR)$(MAN1DIR)
 
 .PHONY: test