Documentation changes only.

Added a couple of links to the "Valgrind skins" doc, because there were none.

Added a section "suggested skins" in the "Valgrind skins" doc, just in case it
inspires anyone in user-land.

MERGE TO STABLE


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@1482 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/docs/manual.html b/docs/manual.html
index 4ba4947..b4668cb 100644
--- a/docs/manual.html
+++ b/docs/manual.html
@@ -100,14 +100,23 @@
 <h4>6&nbsp; <a href="hg_main.html#hg-top">
             Helgrind: a data-race detector</a></h4>
 
+<p>
+The following is not part of the user manual.  It describes how you can
+write skins for Valgrind, in order to make new program supervision
+tools.
+
+<h4>7&nbsp; <a href="coregrind_skins.html">
+            Valgrind Skins</a></h4>
+
+<p>
 The following are not part of the user manual.  They describe internal
 details of how Valgrind works.  Reading them may rot your mind.  You
 have been warned.
 
-<h4>7&nbsp; <a href="mc_techdocs.html#mc-techdocs">
+<h4>8&nbsp; <a href="mc_techdocs.html#mc-techdocs">
             The design and implementation of Valgrind</a></h4>
 
-<h4>8&nbsp; <a href="cg_techdocs.html#cg-techdocs">
+<h4>9&nbsp; <a href="cg_techdocs.html#cg-techdocs">
             How Cachegrind works</a></h4>
 
 <hr width="100%">