studio - manual policy editor: added in example messages for confirm, error, warning

cms/static/sass/_settings.scss

@@ -551,6 +551,43 @@
 
     .settings-advanced {
 
+      // messages - should be synced up with global messages in the future
+      .message {
+        display: block;
+        font-size: 14px;
+      }
+
+      .message-status {
+        display: none;
+        @include border-top-radius(2px);
+        @include box-sizing(border-box);
+        border-bottom: 2px solid $yellow;
+        margin: 0 0 20px 0;
+        padding: 10px 20px;
+        font-weight: 500;
+        background: $paleYellow;
+
+        .text {
+          display: inline-block;
+        }
+
+        &.error {
+          border-color: shade($red, 50%);
+          background: tint($red, 20%);
+          color: $white;
+        }
+
+        &.confirm {
+          border-color: shade($green, 50%);
+          background: tint($green, 20%);
+          color: $white;
+        }
+
+        &.is-shown {
+          display: block;
+        }
+      }
+
       .course-advanced-policy-list {
 
         .row {

cms/templates/settings.html

@@ -735,6 +735,18 @@ from contentstore import utils
           <section class="settings-advanced">
             <h2 class="title">Advanced Settings</h2>
 
+            <div class="message message-status confirm is-shown">
+              Your policy changes have been saved.
+            </div>
+
+            <div class="message message-status error is-shown">
+              There was an error saving your information. Please see below.
+            </div>
+
+            <div class="message message-status warning is-shown">
+              Your changes were saved, but they may affect settings elsewhere
+            </div>
+
             <section class="settings-advanced-policies">
               <header>
                 <h3>Manual Policy Definition</h3>