Update notes for submitted changes

* Teach UploadPack "ref-prefix" in "ls-refs"
* UploadPack: Don't buffer ls-refs output
* Implement ls-refs in UploadPack

03/8765cc556b84e1bf089df5a98c1b742c176e12

@@ -0,0 +1,7 @@
+Code-Review+2: Jonathan Nieder <jrn@google.com>
+Verified+1: Jonathan Nieder <jrn@google.com>
+Submitted-by: Jonathan Nieder <jrn@google.com>
+Submitted-at: Mon, 23 Apr 2018 13:56:03 -0400
+Reviewed-on: https://git.eclipse.org/r/119448
+Project: jgit/jgit
+Branch: refs/heads/master

33/2bc611249d21f9b604f2c0207bf0bdfbfc3a78

@@ -0,0 +1,7 @@
+Verified+1: CI Bot
+Code-Review+2: Jonathan Nieder <jrn@google.com>
+Submitted-by: Jonathan Nieder <jrn@google.com>
+Submitted-at: Mon, 23 Apr 2018 13:56:03 -0400
+Reviewed-on: https://git.eclipse.org/r/119447
+Project: jgit/jgit
+Branch: refs/heads/master

a9/9bbf162a6e949692a1bc883be888dbeb10ab8d

@@ -0,0 +1,8 @@
+Code-Review+1: Jonathan Tan <jonathantanmy@google.com>
+Verified+1: CI Bot
+Code-Review+2: Jonathan Nieder <jrn@google.com>
+Submitted-by: Jonathan Nieder <jrn@google.com>
+Submitted-at: Mon, 23 Apr 2018 13:56:03 -0400
+Reviewed-on: https://git.eclipse.org/r/121509
+Project: jgit/jgit
+Branch: refs/heads/master