add media.less to customizer page

docs/customize.html

@@ -133,6 +133,7 @@
                 <label class="checkbox"><input checked="checked" type="checkbox" value="alerts.less"> Alerts</label>
                 <label class="checkbox"><input checked="checked" type="checkbox" value="progress-bars.less"> Progress bars</label>
                 <label class="checkbox"><input checked="checked" type="checkbox" value="hero-unit.less"> Hero unit</label>
+                <label class="checkbox"><input checked="checked" type="checkbox" value="media.less"> Media component</label>
                 <h3>JS Components</h3>
                 <label class="checkbox"><input checked="checked" type="checkbox" value="tooltip.less"> Tooltips</label>
                 <label class="checkbox"><input checked="checked" type="checkbox" value="popovers.less"> Popovers</label>

docs/templates/pages/customize.mustache

@@ -62,6 +62,7 @@
                 <label class="checkbox"><input checked="checked" type="checkbox" value="alerts.less"> {{_i}}Alerts{{/i}}</label>
                 <label class="checkbox"><input checked="checked" type="checkbox" value="progress-bars.less"> {{_i}}Progress bars{{/i}}</label>
                 <label class="checkbox"><input checked="checked" type="checkbox" value="hero-unit.less"> {{_i}}Hero unit{{/i}}</label>
+                <label class="checkbox"><input checked="checked" type="checkbox" value="media.less"> {{_i}}Media component{{/i}}</label>
                 <h3>{{_i}}JS Components{{/i}}</h3>
                 <label class="checkbox"><input checked="checked" type="checkbox" value="tooltip.less"> {{_i}}Tooltips{{/i}}</label>
                 <label class="checkbox"><input checked="checked" type="checkbox" value="popovers.less"> {{_i}}Popovers{{/i}}</label>