Add text alignment classes info to docs

docs/base-css.html

@@ -170,6 +170,19 @@
 
           <p><span class="label label-info">Heads up!</span> Feel free to use <code>&lt;b&gt;</code> and <code>&lt;i&gt;</code> in HTML5. <code>&lt;b&gt;</code> is meant to highlight words or phrases without conveying additional importance while <code>&lt;i&gt;</code> is mostly for voice, technical terms, etc.</p>
 
+          <h3>Alignment classes</h3>
+          <p>Easily realign text to components with text alignment classes.</p>
+          <div class="bs-docs-example">
+            <p class="text-left">Left aligned text.</p>
+            <p class="text-center">Center aligned text.</p>
+            <p class="text-right">Right aligned text.</p>
+          </div>
+<pre class="prettyprint linenums">
+&lt;p class="text-left"&gt;Left aligned text.&lt;/p&gt;
+&lt;p class="text-center"&gt;Center aligned text.&lt;/p&gt;
+&lt;p class="text-right"&gt;Right aligned text.&lt;/p&gt;
+</pre>
+
           <h3>Emphasis classes</h3>
           <p>Convey meaning through color with a handful of emphasis utility classes.</p>
           <div class="bs-docs-example">

docs/templates/pages/base-css.mustache

@@ -104,6 +104,19 @@
 
           <p><span class="label label-info">{{_i}}Heads up!{{/i}}</span> {{_i}}Feel free to use <code>&lt;b&gt;</code> and <code>&lt;i&gt;</code> in HTML5. <code>&lt;b&gt;</code> is meant to highlight words or phrases without conveying additional importance while <code>&lt;i&gt;</code> is mostly for voice, technical terms, etc.{{/i}}</p>
 
+          <h3>{{_i}}Alignment classes{{/i}}</h3>
+          <p>{{_i}}Easily realign text to components with text alignment classes.{{/i}}</p>
+          <div class="bs-docs-example">
+            <p class="text-left">Left aligned text.</p>
+            <p class="text-center">Center aligned text.</p>
+            <p class="text-right">Right aligned text.</p>
+          </div>
+<pre class="prettyprint linenums">
+&lt;p class="text-left"&gt;Left aligned text.&lt;/p&gt;
+&lt;p class="text-center"&gt;Center aligned text.&lt;/p&gt;
+&lt;p class="text-right"&gt;Right aligned text.&lt;/p&gt;
+</pre>
+
           <h3>{{_i}}Emphasis classes{{/i}}</h3>
           <p>{{_i}}Convey meaning through color with a handful of emphasis utility classes.{{/i}}</p>
           <div class="bs-docs-example">