Added released/3.0.0.xml corresponding to 3.0.0 build 1209 (GA).
Added released/3.0.0-beta3.xml corresponding to *3.0.1* build 1323
  (Windows 3.0.0-beta release).

Change-Id: I083988dc622dc6701f294409713a8306e290e85c
Reviewed-on: http://review.couchbase.org/41810
Reviewed-by: Chris Hillery <ceej@couchbase.com>
Tested-by: Chris Hillery <ceej@couchbase.com>