rename media grid to thumbnails, recompile bootstrap, fix examples for mobile phones

bootstrap.css

@@ -6,7 +6,7 @@
  * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Designed and built with all the love in the world @twitter by @mdo and @fat.
- * Date: Wed Dec 21 16:21:54 CST 2011
+ * Date: Wed Dec 21 16:26:02 CST 2011
  */
 html, body {
   margin: 0;

docs/assets/css/docs.css

@@ -387,7 +387,7 @@ h2 + table {
   .example-sites {
     margin-left: 0;
   }
-  .example-sites a {
+  .example-sites > li {
     float: none;
     display: block;
     max-width: 300px;

lib/bootstrap.less

@@ -34,7 +34,7 @@
 @import "modals.less";
 @import "twipsy.less";
 @import "popovers.less";
-@import "media-grids.less";
+@import "thumbnails.less";
 
 // Responsive
 @import "responsive.less";
\ No newline at end of file