Randomize supplied nodes list by default

Change-Id: Ie65c0e76fa8601d9df28652206149dc47cddd4be
Reviewed-on: http://review.couchbase.org/28890
Tested-by: Sergey Avseyev <sergey.avseyev@gmail.com>
Reviewed-by: Matt Ingenthron <matt@couchbase.com>
Update metadata for 2.1.3 release

Change-Id: Ie3197ba60c12e306a5d5731d4082319366ff899d
Reviewed-on: http://review.couchbase.org/28881
Tested-by: Sergey Avseyev <sergey.avseyev@gmail.com>
Reviewed-by: Matt Ingenthron <matt@couchbase.com>
Update AUTHORS

Change-Id: I5afe17d90c44912f2966253053853b5df7ecc377
Reviewed-on: http://review.couchbase.org/28891
Tested-by: Sergey Avseyev <sergey.avseyev@gmail.com>
Reviewed-by: Trond Norbye <trond.norbye@gmail.com>