VOL-4964 - Update the core contributors list.

overview/contributing.rst
-------------------------
  o Removed some, added some

Change-Id: I50544101c9ca8f10bb5e2ccddba57437ae3d20ad
diff --git a/VERSION b/VERSION
index e249ffa..20e4310 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.12.0-dev1
+2.12.0-dev2