Fix changes.html

- Aymeric's merge commit 566ad109eb
  removed non-ascii characters from Installation/changes.html. That was
  not intended.
- At the same time, merge two sections about changes to Mesh_3 for 4.5.

Installation/changes.html

@@ -145,6 +145,9 @@ and <code>src/</code> directories).
 
   <h3>3D Mesh Generation</h3>
   <ul>
+    <li>Add a new constructor for the class <code>Labeled_mesh_domain_3</code> which
+    takes an <code>Iso_cuboid_3</code>.</li>
+    <li>Add a new labeling function wrapper for meshing multi-domain.</li>
     <li>The meshing functionality in the Qt demos
     in <code>demo/Polyhedron/</code> and <code>demo/Mesh_3/</code> can now
     use the handling of 1d-features, that exists in CGAL since version 3.8.
@@ -156,14 +159,6 @@ and <code>src/</code> directories).
     </li>
   </ul>
 
-
-  <h3>3D Mesh Generation</h3>
-  <ul>
-    <li>Add a new constructor for the class <code>Labeled_mesh_domain_3</code> which
-    takes an <code>Iso_cuboid_3</code>.</li>
-    <li>Add a new labeling function wrapper for meshing multi-domain.</li>
-  </ul>
-
 </div>
 
 <h2 id="release4.4">Release 4.4 </h2>
@@ -174,7 +169,7 @@ and <code>src/</code> directories).
     <li>Additional supported platforms:
       <ul>
         <li>The Apple Clang compiler version 5.0 is now supported on
-          OSXMavericks.</li>
+          OS X Mavericks.</li>
         <li>The Microsoft Windows Visual C++ compiler 2013 (VC12) is now
           supported.</li>
       </ul>
@@ -314,7 +309,7 @@ and <code>src/</code> directories).
   <ul>
     <li> Better description of the demo ipelets in the user manual     </li>
     <li> New ipelet for pencils of circles</li>
-    <li> New ipelet for hyperbolic geometry in Poincar model</li>
+    <li> New ipelet for hyperbolic geometry in Poincaré model</li>
     <li> The generator ipelet now generates point in a selected zone</li>
     <li> Hilbert sort ipelet implements two policies</li>
   </ul>
@@ -356,7 +351,7 @@ and <code>src/</code> directories).
           constructor added to <code>CGAL::Object</code>. However, it is
           recommended to upgrade your code.  The previous behavior can be
           restored by defining the
-          macro <code>CGAL_INTERSECTION_VERSION</code> to1.
+          macro <code>CGAL_INTERSECTION_VERSION</code> to 1.
         </li>
       </ul>
       <h4>2D Arrangements</h4>
@@ -679,7 +674,7 @@ and <code>src/</code> directories).
     <li>Additional supported platforms:
       <ul>
         <li>The Apple Clang compiler versions 3.1 and 3.2 are now supported on
-          MacOSX.</li>
+          Mac OS X.</li>
       </ul>
     </li>
     <li>Improved configuration for essential and optional external third party software</li>