MB-9338: implemented XDCR over ssl

Change-Id: I2cab36cfb3a1959d24f9bc21b3b929fa870b7397
Reviewed-on: http://review.couchbase.org/31375
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
MB-9341: implemented basic xdcr-over-ssl REST apis

Change-Id: I079bfef7cdbb871812d52a350e8f8a12e9857876
Reviewed-on: http://review.couchbase.org/31376
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>