Minor UI improvements

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/assets/stylesheets/sections/notes.scss

@@ -19,6 +19,10 @@ ul.notes {
     @extend .cgray;
     padding-bottom: 15px;
 
+    a:hover {
+      text-decoration: none;
+    }
+
     .avatar {
       float: left;
       margin-right: 10px;

app/assets/stylesheets/sections/projects.scss

@@ -48,6 +48,10 @@
         float: right;
         margin-left: 20px;
 
+        a:hover {
+          text-decoration: none;
+        }
+
         .count {
           margin-left: 5px;
         }