Fix actionbar dropup menu appearing under the leaflet map.
Fix actionbar dropup menu appearing under the leaflet map.

Fixes #413

RickMohr/nyc-trees,RickMohr/nyc-trees,kdeloach/nyc-trees,RickMohr/nyc-trees,azavea/nyc-trees,maurizi/nyc-trees,azavea/nyc-trees,maurizi/nyc-trees,maurizi/nyc-trees,kdeloach/nyc-trees,kdeloach/nyc-trees,kdeloach/nyc-trees,RickMohr/nyc-trees,azavea/nyc-trees,kdeloach/nyc-trees,maurizi/nyc-trees,azavea/nyc-trees,azavea/nyc-trees