Cosmetic documentation changes.

howto/accounts.rst
howto/ssh_access.rst
--------------------
  o Fix gerrit port, should be 29418 VS 29419
  o Mention the 'AddKeysToAgent' attribute, useful option.

howto/docs.voltha.org/quickstart.rst
------------------------------------
  o Remove blank lines
  o Separate list items with comma.

Change-Id: I197fd1ebf71609791dddeb41e42c738317ac6b68
diff --git a/VERSION b/VERSION
index ea41b64..78e33c5 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.12.5.1-dev3
+2.12.5.2-dev1