Update notes for submitted changes

* Update tycho version to 0.26

16/e515a59efe1e545710ced6e52d396056ac9467

@@ -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: Mon, 26 Dec 2016 17:38:39 -0500
+Reviewed-on: https://git.eclipse.org/r/87745
+Project: jgit/jgit
+Branch: refs/heads/stable-4.6