Added loads of comments to census_model
put Bing API call into a while loop set to time out after 10 seconds
implemented CURL, reinforced Bing and census model
Merge https://github.com/penoonan/fairhousing

Conflicts:
	README
	application/controllers/home.php
	application/models/bing_model.php
	application/models/census_model.php
	application/models/fcc_model.php
	application/views/address_success_view.php
	application/views/home_view.php