Update DragBox to use only condition for filtering
Update DragBox to use only condition for filtering

- Remove mouseOnly and mouseActionButton hardcoded filters
- Default condition to mouseActionButton

ahocevar/openlayers,ahocevar/openlayers,openlayers/openlayers,geekdenz/ol3,openlayers/openlayers,stweil/ol3,ahocevar/ol3,geekdenz/ol3,oterral/ol3,stweil/ol3,ahocevar/ol3,geekdenz/ol3,bjornharrtell/ol3,stweil/openlayers,oterral/ol3,stweil/openlayers,geekdenz/openlayers,ahocevar/ol3,ahocevar/openlayers,bjornharrtell/ol3,adube/ol3,stweil/ol3,geekdenz/openlayers,geekdenz/ol3,geekdenz/openlayers,oterral/ol3,adube/ol3,stweil/openlayers,stweil/ol3,ahocevar/ol3,openlayers/openlayers,adube/ol3,bjornharrtell/ol3