update milestone page design

public/ng/css/gogs.css

@@ -2137,6 +2137,10 @@ textarea#issue-add-content {
 }
 #milestone-list .desc {
   color: #999;
+  line-height: 30px;
+}
+#milestone-list .content {
+  width: 400px;
 }
 #milestone-list .item {
   padding-bottom: 18px;

public/ng/less/gogs/issue.less

@@ -373,6 +373,10 @@ textarea#issue-add-content {
   }
   .desc {
     color: #999;
+    line-height: 30px;
+  }
+  .content{
+    width: 400px;
   }
   .item {
     padding-bottom: 18px;

templates/repo/milestone2/list.tmpl

@@ -35,6 +35,9 @@
                         <i class="octicon octicon-clock"></i> Updated 3 days ago &nbsp;&nbsp;
                         <i class="octicon octicon-calendar"></i> Due to Dec 31,2014
                     </p>
+                    <div class="content">
+                        In this version of release, users are able to register and log in/out on Gogs, setting up SSH keys and do most of Git operations through SSH with public repositories. And Web UI only for view of Git data, no extra features are supported.
+                    </div>
                     <div class="action">
                         <p class="status-bar">
                             <span class="closed">closed 12</span>