Start 1.0.3 development.

Change-Id: I6bb9b64d86dd00ad27d036606cb6c837d57ea618
Reviewed-on: http://review.couchbase.org/44684
Tested-by: Michael Nitschinger <michael.nitschinger@couchbase.com>
Reviewed-by: Simon Baslé <simon@couchbase.com>