MB-9217: added node count to bucket-wide statistics screen

Change-Id: I0b7dcdcbfd1c629ce7f830cf0a3c12db8352018d
Reviewed-on: http://review.couchbase.org/29368
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
MB-9217: killed unused code

Change-Id: Ic2e68a315c8965474b3e70b6d143e69950f5b7be
Reviewed-on: http://review.couchbase.org/29369
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
MB-9215: fixed size of buckets/clusters select boxes

Change-Id: Iaf71a45039af892e7aac1b85c371bf9088d34ffb
Reviewed-on: http://review.couchbase.org/29370
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>