Merge branch 'stable-2.9'

* stable-2.9:
  Only permit current patch set to edit the commit message
  Use Provider for IdentifiedUser in CreateBranch constructor
  Split PGPEncryptedDataGenerator creation out into a utility method
  ChangeScreen2: Only reset the commit message text on cancel
  Fix log spew caused by DeleteBranch constructor
  Add Documentation menu entry for Project Owner Guide
  Mention project-specific themes in the project owner guide
  Added global request handlers to SshDaemon

gerrit-gwtui/src/main/java/com/google/gerrit/client/Gerrit.java

@@ -689,6 +689,7 @@ public class Gerrit implements EntryPoint {
       addDocLink(m, C.menuDocumentationUpload(), "user-upload.html");
       addDocLink(m, C.menuDocumentationAccess(), "access-control.html");
       addDocLink(m, C.menuDocumentationAPI(), "rest-api.html");
+      addDocLink(m, C.menuDocumentationProjectOwnerGuide(), "intro-project-owner.html");
       menuLeft.add(m, C.menuDocumentation());
     }