added rvm files to .gitignore
use environment variables for testing
working on implementing webmock
first passing test for yummly with webmocks to get the base structure in place.
Merge pull request #2 from KellyMahan/kellymahan

Kellymahan
Add missing include.
Break out responsiblities into separate classes.
Use string.
Add more errors.
Require url_builder.
Add separate attribution data object.
Add enumerable search result object.

Contains meta data related to the overall search, while still allowing
for iterating recipe objects.
Merge branch 'twmills/search-result' of github.com:twmills/yummly into twmills/search-result