Add (very basic) man pages for opam-mk-repo and opam-check

This should fix ocaml#432

doc/Makefile

@@ -9,7 +9,10 @@ man:
 	rm man/*
 	$(OPAM) $(HELPFMT) > man/opam.1
 	for i in $(TOPICS); do\
-	  $(OPAM) $$i $(HELPFMT) > man/opam-$$i.1; \
+	  $(OPAM) $$i $(HELPFMT) > man/opam-$$i.1;\
+	done
+	for i in $(shell basename -s .md $(shell ls man-ext/)); do\
+	  pandoc -t man man-ext/$$i.md > man/$$i.1;\
 	done
 
 pdf:

doc/man-ext/opam-check.md

@@ -0,0 +1,23 @@
+% OPAM(1) opam 0.9.3 | OPAM Manual
+% OCamlPro
+% 20/02/2013
+
+# NAME
+
+opam-check - a Tool check that OPAM repositories are consistent
+
+# DESCRIPTION
+
+See *opam-check --help* for me information.
+
+# SEE ALSO
+
+**opam**(1)
+
+# LINKS
+
+* **http://opam.ocamlpro.com**
+
+# OPAM
+
+Part of the opam(1) suite

doc/man-ext/opam-mk-repo.md

@@ -0,0 +1,22 @@
+% OPAM(1) opam 0.9.3 | OPAM Manual
+% OCamlPro
+% 20/02/2013
+
+# NAME
+
+opam-mk-repo - a Tool to Build OPAM Repositories
+
+# DESCRIPTION
+
+See *opam-mk-repo --help* for me information.
+# SEE ALSO
+
+**opam**(1)
+
+# LINKS
+
+* **http://opam.ocamlpro.com**
+
+# OPAM
+
+Part of the opam(1) suite

doc/man/opam-check.1

@@ -0,0 +1,15 @@
+.SH NAME
+.PP
+opam-check - a Tool check that OPAM repositories are consistent
+.SH DESCRIPTION
+.PP
+See \f[I]opam-check --help\f[] for me information.
+.SH SEE ALSO
+.PP
+\f[B]opam\f[](1)
+.SH LINKS
+.IP \[bu] 2
+\f[B]http://opam.ocamlpro.com\f[]
+.SH OPAM
+.PP
+Part of the opam(1) suite

doc/man/opam-mk-repo.1

@@ -0,0 +1,15 @@
+.SH NAME
+.PP
+opam-mk-repo - a Tool to Build OPAM Repositories
+.SH DESCRIPTION
+.PP
+See \f[I]opam-mk-repo --help\f[] for me information.
+# SEE ALSO
+.PP
+\f[B]opam\f[](1)
+.SH LINKS
+.IP \[bu] 2
+\f[B]http://opam.ocamlpro.com\f[]
+.SH OPAM
+.PP
+Part of the opam(1) suite