Merge branch 'stable-3.0'

* stable-3.0:
  Add a 'banner' extension point
  Submit: Fix wrong conflict resolution
  Add extension point to the footer
  Fix dialog popup when going to /admin/create-project

Change-Id: I5272d95050bf9f8ba847fbe489dcf6b6d847eb66

java/com/google/gerrit/server/restapi/change/Submit.java

@@ -293,7 +293,7 @@ public class Submit
   @Override
   public UiAction.Description getDescription(RevisionResource resource) {
     Change change = resource.getChange();
-    if (!change.getStatus().isOpen() || !resource.isCurrent()) {
+    if (!change.isNew() || !resource.isCurrent()) {
       return null; // submit not visible
     }
 

polygerrit-ui/app/elements/core/gr-router/gr-router.js

@@ -1235,7 +1235,7 @@
     _handleCreateProjectRoute(data) {
       // Redirects the legacy route to the new route, which displays the project
       // list with a hash 'create'.
-      this._redirect('/admin/projects#create');
+      this._redirect('/admin/repos#create');
     },
 
     _handleCreateGroupRoute(data) {

polygerrit-ui/app/elements/gr-app-element.html

@@ -196,12 +196,14 @@ limitations under the License.
         Powered by <a href="https://www.gerritcodereview.com/" rel="noopener"
         target="_blank">Gerrit Code Review</a>
         ([[_version]])
+        <gr-endpoint-decorator name="footer-left"></gr-endpoint-decorator>
       </div>
       <div>
         <a class="feedback"
             href$="[[_feedbackUrl]]"
             rel="noopener" target="_blank">Send feedback</a>
         | Press &ldquo;?&rdquo; for keyboard shortcuts
+        <gr-endpoint-decorator name="footer-right"></gr-endpoint-decorator>
       </div>
     </footer>
     <gr-overlay id="keyboardShortcuts" with-backdrop>