separate bucket details style from internal setting styles

Change-Id: Iabc4b3c8ad34b36fc148f4f73c5aa1015ab4e301
Reviewed-on: http://review.couchbase.org/37731
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
separate bucket details style from bucket additional info styles

Change-Id: If3c333d2468fb6124a5261daaf0255e9e69cc715
Reviewed-on: http://review.couchbase.org/37732
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>