[VOL-5268] Release patch repo:bbsim-sadis-server (branch=voltha-2.12)

VERSION
.gitreview
----------
 o Post release tag & branch patch for branch=voltha-2.12.
 o Bump version string to avoid conflicts:
   - branch=master  (X.{1+Y}.0)
   - branch=release (X.Y.{1+Z})
 o Update .gitreview (defaultpath=voltha-2.12), specify rebase/merge target.

Change-Id: I979d8e8b8203906aee92024de8d21023fe3509d0
diff --git a/.gitreview b/.gitreview
index 19413de..410a5f8 100644
--- a/.gitreview
+++ b/.gitreview
@@ -3,4 +3,4 @@
 port=29418
 project=bbsim-sadis-server.git
 defaultremote=origin
-
+defaultbranch=voltha-2.12
diff --git a/VERSION b/VERSION
index c2c0004..449d7e7 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.3.5
+0.3.6