Form Updates + FPAC's Food Resources

+ Replaced manually-generated drop-down menus with wtform’s `SelectField`. (Fixes issue #37).
+ Uploaded CSV files with all of FPAC’s resources.
+ Wrote script to create `FoodResource`s from FPAC’s list of resources. (Run `python create_resources.py` to load all resources.) 
I just realized you already have a lot (possibly everything) done for this. Whoops.