Start preparing for 1.9.3

diff --git a/RelNotes b/RelNotes
index 58c32c35250bcdeb46b0d6340ec3d246a5e6298c..7b78eb9715d5ba10b65deee6bb565d93ed3cc365 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes/1.9.2.txt
\ No newline at end of file
+Documentation/RelNotes/1.9.3.txt
\ No newline at end of file