optimizing query to use index on latitude,longitude
dramatically optimizing query with gross SQL.
fixing bug with no parameters in sql
Cleaning up SQL
missed a select
missed a select
Merge pull request #5 from presleyp/geolocate

Add geolocation and accompanying AJAX.
rewriting sql optimization in light of non-grid data
fixing latitude/longitude swap bug on import
fixing distance args
adjusting deltas
changing numeric types of latitudes so that equality works
reverting changes to make it work from alternative geo location pull
Change geoloc to be testable but not default.

Depends on changes to pages that I'll pull from Mike.
Merge branch 'master' of https://github.com/dskippy/HowMuchSnow into geolocate

Conflicts:
	howmuchsnowcgi.py