Update notes for submitted changes

* FS: Allow to manually set the path to the Git system config file
* FS: Fix a minor typo in runInShell() docs
* FS: Improve javadoc of some recently introduced methods

7c/e6abe8584b228c408a733bfca77e9c2f176e00

@@ -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: Mon, 25 May 2015 16:22:47 -0400
+Reviewed-on: https://git.eclipse.org/r/48477
+Project: jgit/jgit
+Branch: refs/heads/master

7e/e351fb95c5756a171d1b5af50df9aa107cd9c4

@@ -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: Mon, 25 May 2015 16:22:58 -0400
+Reviewed-on: https://git.eclipse.org/r/48556
+Project: jgit/jgit
+Branch: refs/heads/master

95/99f3f1a6111a12b07a8a51755d3ca2452d53d3

@@ -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: Mon, 25 May 2015 16:22:53 -0400
+Reviewed-on: https://git.eclipse.org/r/48557
+Project: jgit/jgit
+Branch: refs/heads/master