Update notes for submitted changes

* Introduce FS.execute() to execute a command defined by a ProcessBuilder
* Add an attribute accessor to CanonicalTreeParser and use it in Treewalk
* Adds the git attributes computation on the treewalk

12/280c02dbb8e4ac10893fbbd415be757afab4c1

@@ -0,0 +1,7 @@
+Code-Review+2: Matthias Sohn <matthias.sohn@sap.com>
+Verified+1: Hudson CI
+Submitted-by: Matthias Sohn <matthias.sohn@sap.com>
+Submitted-at: Tue, 17 Nov 2015 19:39:54 -0500
+Reviewed-on: https://git.eclipse.org/r/35377
+Project: jgit/jgit
+Branch: refs/heads/master

63/89948a814412267f46de375563f9d009d76ccb

@@ -0,0 +1,7 @@
+Code-Review+2: Matthias Sohn <matthias.sohn@sap.com>
+Verified+1: Hudson CI
+Submitted-by: Matthias Sohn <matthias.sohn@sap.com>
+Submitted-at: Tue, 17 Nov 2015 19:39:49 -0500
+Reviewed-on: https://git.eclipse.org/r/60068
+Project: jgit/jgit
+Branch: refs/heads/master

69/cd6f586418291c980831cd92508c549c84ce94

@@ -0,0 +1,7 @@
+Verified+1: Hudson CI
+Code-Review+2: Matthias Sohn <matthias.sohn@sap.com>
+Submitted-by: Matthias Sohn <matthias.sohn@sap.com>
+Submitted-at: Tue, 17 Nov 2015 19:39:42 -0500
+Reviewed-on: https://git.eclipse.org/r/59102
+Project: jgit/jgit
+Branch: refs/heads/master