prepare 2.9.2

doc/VERSIONS.txt

-2.9.2: added support for extrusion of embedded points/curves; improved
-hex-dominant algorithm; new dark interface mode.
+2.9.2 (March 31, 2015): added support for extrusion of embedded points/curves;
+improved hex-dominant algorithm; fixed crashes in quad algorithm; new dark
+interface mode.
 
 2.9.1 (March 18, 2015): minor bug fixes.
 

doc/gmsh.html

@@ -29,7 +29,7 @@ generator with built-in pre- and post-processing facilities</h1>
 
 <h4 align="center">Christophe Geuzaine and Jean-François Remacle</h4>
 
-<h4 align="center">Version 2.9.1, March 18 2015</h4>
+<h4 align="center">Version 2.9.2, March 31 2015</h4>
 
 <center>
   <a href="#Description">Description</a> |
@@ -69,14 +69,14 @@ the <a href="doc/LICENSE.txt">GNU General Public License
   <li>
     <p class="highlight">
       <strong>Download current stable release</strong>: Windows
-      <a href="bin/Windows/gmsh-2.9.1-Windows32.zip"><strong>32 bit</strong></a> /
-      <a href="bin/Windows/gmsh-2.9.1-Windows64.zip"><strong>64 bit</strong></a>,
+      <a href="bin/Windows/gmsh-2.9.2-Windows32.zip"><strong>32 bit</strong></a> /
+      <a href="bin/Windows/gmsh-2.9.2-Windows64.zip"><strong>64 bit</strong></a>,
       Linux
-      <a href="bin/Linux/gmsh-2.9.1-Linux32.tgz"><strong>32 bit</strong></a> /
-      <a href="bin/Linux/gmsh-2.9.1-Linux64.tgz"><strong>64 bit</strong></a>,
-      <a href="bin/MacOSX/gmsh-2.9.1-MacOSX.dmg"><strong>Mac OS X</strong></a>
+      <a href="bin/Linux/gmsh-2.9.2-Linux32.tgz"><strong>32 bit</strong></a> /
+      <a href="bin/Linux/gmsh-2.9.2-Linux64.tgz"><strong>64 bit</strong></a>,
+      <a href="bin/MacOSX/gmsh-2.9.2-MacOSX.dmg"><strong>Mac OS X</strong></a>
       and
-      <a href="src/gmsh-2.9.1-source.tgz"><strong>source code</strong></a>
+      <a href="src/gmsh-2.9.2-source.tgz"><strong>source code</strong></a>
     </p>
     <p>
       <em>A <a href="doc/texinfo/gmsh.html#Tutorial"><strong>tutorial</strong></a>