correctly handle inclusive_end checkbox in filter

We really must not pass false for all other checkboxes (particularly
group) except inclusive_end. We're using data attribute to indicate in
markup which attribute to send even if it's false.

Change-Id: I5b828b70fe8b34aaf1d11ad4c684d9f889fdb286
Reviewed-on: http://review.couchbase.org/35747
Reviewed-by: Aliaksey Artamonau <aliaksiej.artamonau@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>