reordered email settings checkbox to impact styling for icon and cleaned up…

reordered email settings checkbox to impact styling for icon and cleaned up header navigation for discusisons

lms/templates/discussion/index.html

@@ -85,8 +85,8 @@
 		        		<tr class="helpgrid-row helpgrid-row-notification">
 		        			<td class="row-title">Receive updates</td>
 		        			<td class="row-item-full" colspan="3">
+								<input type="checkbox" class="email-setting" name="email-notification"></input>
 		        				<i class="icon icon-envelope"></i>
-								<span class="row-setting"><input type="checkbox" name="email-notification"></input></span>
 								<span class="row-description"> If enabled, you will receive an email digest once a day notifying you about new, unread activity from posts you are following. </span>
 							</td>
 		        		</tr>