MB-11425: 'Metadata Purge Interval' is the header

Change-Id: Ic7cd21610fc255de5a19710fe5a506262d0756ce
Reviewed-on: http://review.couchbase.org/38303
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
MB-11357: display corresponding status message

Change-Id: I45544585fd2d043e16a10b59f9880227cb0dc1f2
Reviewed-on: http://review.couchbase.org/38305
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
MB-11375: fixed look of "pending recovery" message

Change-Id: I0f82bd0c8f780568e979c904859fd730c9d06ac6
Reviewed-on: http://review.couchbase.org/38316
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
MB-10955: move graph label to the center

Change-Id: Ib2efa4bda8703a1b004068b83b756434318b7e0e
Reviewed-on: http://review.couchbase.org/38317
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>