Update notes for submitted changes

* RefList: Support capacity <= 0 on new builders
* Short-circuit writing packed-refs if no refs were packed
* BatchRefUpdate: Clarify some ref prefix calls

28/adcce8622814e6b0ecb33168eae1846829390d

@@ -0,0 +1,7 @@
+Verified+1: Hudson CI
+Code-Review+2: Terry Parker <tparker@google.com>
+Submitted-by: Dave Borowitz <dborowitz@google.com>
+Submitted-at: Fri, 07 Jul 2017 13:51:25 -0400
+Reviewed-on: https://git.eclipse.org/r/100765
+Project: jgit/jgit
+Branch: refs/heads/master

40/748e83039f2a8ac77a17fd09ea109ae6382e51

@@ -0,0 +1,7 @@
+Verified+1: Hudson CI
+Code-Review+2: Terry Parker <tparker@google.com>
+Submitted-by: Dave Borowitz <dborowitz@google.com>
+Submitted-at: Fri, 07 Jul 2017 13:51:25 -0400
+Reviewed-on: https://git.eclipse.org/r/100767
+Project: jgit/jgit
+Branch: refs/heads/master

e0/8fa5afcdd95a1bd0d837863e6c1df77aae0cd0

@@ -0,0 +1,7 @@
+Verified+1: Hudson CI
+Code-Review+2: Terry Parker <tparker@google.com>
+Submitted-by: Dave Borowitz <dborowitz@google.com>
+Submitted-at: Fri, 07 Jul 2017 13:51:25 -0400
+Reviewed-on: https://git.eclipse.org/r/100766
+Project: jgit/jgit
+Branch: refs/heads/master