Add station import mangement command.

This command is used for importing station data from NOAA.
It can be used to prepopulate a database to start collecting weather point data.
Unittests are included.
Add noaa library.

This class contains the functionality for interfacing with the NOAA API.
Add station model.

This model represents a weather data collection station in the outside
world. Included are an API Model view for REST access. A serializer
class to handle the formatting. Add the initial database migration.
Add snowlert urls.py

This contains all the django routes