Adding some documentation in preparation for VOLTHA-2.6 release

Change-Id: I13dc03a901946d7e4b7a481f738f7784494e56b0
diff --git a/VERSION b/VERSION
index 17e51c3..d917d3e 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.1.1
+0.1.2