Fixes #5963: Add large button example to icons, fix vertical alignment in large buttons

docs/assets/css/bootstrap.css

@@ -3238,7 +3238,7 @@ button.close {
 
 .btn-large [class^="icon-"],
 .btn-large [class*=" icon-"] {
-  margin-top: 2px;
+  margin-top: 4px;
 }
 
 .btn-small {

docs/base-css.html

@@ -2076,6 +2076,14 @@ For example, <code><section></code> should be wrapped as inlin
     <li><a href="#"><i class="i"></i> Make admin</a></li>
   </ul>
 </div>
+</pre>
+
+          <h5>Large button</h5>
+          <div class="bs-docs-example">
+            <a class="btn btn-large" href="#"><i class="icon-star"></i> Star</a>
+          </div>
+<pre class="prettyprint linenums">
+&lt;a class="btn btn-large" href="#"&gt;&lt;i class="icon-star"&gt;&lt;/i&gt; Star&lt;/a&gt;
 </pre>
 
           <h5>Small button</h5>

docs/templates/pages/base-css.mustache

@@ -2013,6 +2013,14 @@
     <li><a href="#"><i class="i"></i> {{_i}}Make admin{{/i}}</a></li>
   </ul>
 </div>
+</pre>
+
+          <h5>{{_i}}Large button{{/i}}</h5>
+          <div class="bs-docs-example">
+            <a class="btn btn-large" href="#"><i class="icon-star"></i> Star</a>
+          </div>{{! /bs-docs-example }}
+<pre class="prettyprint linenums">
+&lt;a class="btn btn-large" href="#"&gt;&lt;i class="icon-star"&gt;&lt;/i&gt; Star&lt;/a&gt;
 </pre>
 
           <h5>{{_i}}Small button{{/i}}</h5>

less/buttons.less

@@ -73,7 +73,7 @@
 }
 .btn-large [class^="icon-"],
 .btn-large [class*=" icon-"] {
-  margin-top: 2px;
+  margin-top: 4px;
 }
 
 // Small