CCBC-248 Do not disable config.h on UNIX-like platforms

Change-Id: Ie2b4c9af600846e220afd781b75a8073bc6582aa
Reviewed-on: http://review.couchbase.org/28404
Reviewed-by: Mark Nunberg <mnunberg@haskalah.org>
Tested-by: Sergey Avseyev <sergey.avseyev@gmail.com>
Make IO plugins depend on core for DEB

Change-Id: I8af0c364c87e230cba142a989a571d984700100b
Reviewed-on: http://review.couchbase.org/28373
Tested-by: Sergey Avseyev <sergey.avseyev@gmail.com>
Reviewed-by: Sergey Avseyev <sergey.avseyev@gmail.com>