docs: reorder heading and notice

All other pages has the heading as ghe first thing in the article. Let's
clean this up for consistency.

Signed-off-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Eric Engestrom <eric.engestrom@intel.com>

docs/versions.html

@@ -14,15 +14,13 @@
 <iframe src="contents.html"></iframe>
 <div class="content">
 
+<h1>Mesa Version History</h1>
+
 <b>
 NOTE: Changes for Mesa 6.4 and later are documented in the corresponding
 <a href="relnotes.html">release notes</a> file.
 </b>
 
-
-<h1>Mesa Version History</h1>
-
-
 <h2>1.0 beta   February 1995</h2>
 <ul>
 <li>Initial release