Update notes for submitted changes

* MergeHeadMsgTest: Open FileOutputStream in try-with-resource
* MergeCommand: Open RevWalk in try-with-resource
* MeasurePackSizeTest: Open Transport in try-with-resource

05/7a295f0c88613d1a8d45e07be07e2d59c21150

@@ -0,0 +1,7 @@
+Code-Review+2: Matthias Sohn <matthias.sohn@sap.com>
+Verified+1: David Pursehouse <david.pursehouse@gmail.com>
+Submitted-by: David Pursehouse <david.pursehouse@gmail.com>
+Submitted-at: Wed, 07 Mar 2018 04:35:29 -0500
+Reviewed-on: https://git.eclipse.org/r/118853
+Project: jgit/jgit
+Branch: refs/heads/master

2c/29af786763c0c8d74741c86edbeff4e5140e35

@@ -0,0 +1,7 @@
+Code-Review+2: Matthias Sohn <matthias.sohn@sap.com>
+Verified+1: David Pursehouse <david.pursehouse@gmail.com>
+Submitted-by: David Pursehouse <david.pursehouse@gmail.com>
+Submitted-at: Wed, 07 Mar 2018 04:35:29 -0500
+Reviewed-on: https://git.eclipse.org/r/118854
+Project: jgit/jgit
+Branch: refs/heads/master

9f/689e90d42a6405054df1f98e43902c87595317

@@ -0,0 +1,7 @@
+Code-Review+2: Matthias Sohn <matthias.sohn@sap.com>
+Verified+1: David Pursehouse <david.pursehouse@gmail.com>
+Submitted-by: David Pursehouse <david.pursehouse@gmail.com>
+Submitted-at: Wed, 07 Mar 2018 04:35:29 -0500
+Reviewed-on: https://git.eclipse.org/r/118855
+Project: jgit/jgit
+Branch: refs/heads/master