docs layout and alignment refinement

_includes/nav-components.html

+<li>
+  <a href="#glyphicons">Glyphicons</a>
+  <ul class="nav">
+    <li><a href="#glyphicons-glyphs">Available glyphs</a></li>
+    <li><a href="#glyphicons-how-to-use">How ot use</a></li>
+    <li><a href="#glyphicons-examples">Examples</a></li>
+  </ul>
+</li>
 <li>
   <a href="#dropdowns">Dropdowns</a>
   <ul class="nav">

dist/css/bootstrap.css

@@ -2324,6 +2324,9 @@ input[type="button"].btn-block {
 }
 
 .glyphicon {
+  position: relative;
+  top: 2px;
+  display: inline-block;
   font-family: 'Glyphicons Halflings';
   -webkit-font-smoothing: antialiased;
   font-style: normal;

less/glyphicons.less

@@ -19,6 +19,9 @@
 
 // Catchall baseclass
 .glyphicon {
+  position: relative;
+  top: 2px;
+  display: inline-block;
   font-family: 'Glyphicons Halflings';
   font-style: normal;
   font-weight: normal;