Fix bug with new reservations counts
Fix bug with new reservations counts

The "current" reservations should reflect how many blockfaces are
selected on the page, not how many blockfaces are reserved.

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