move bounding box logic into model
filter location data to only what's necessary
raise on more than a thousand locations
controller gives a 500 on location find error
add failure method for ajax nearby query
fix a few javascript errors while running tests
too many results displays a friendly error msg
differentiate between address and here searches
add method to empty current results
add degree span to client's location request
enable search here on zoom
use span for bounding box
Merge branch 'return-many-locations'