Add dependencies for recommendable gem.
Add recommendable configuration file.
Remove data parameter from Strategy#recommend. No strategy is currently
using this parameter.

Add recommendation route.

Add recommendation controller and update action.

Add recommendable strategy.
Add sidekiq worker to handle liking of places.
Add call to sidekiq worker in the update action of the recommendations
controller.
Add after_filter to update recommendable redis table
Add recommendable #recommend method implementation
Incomplete implementation of recommendable strategy. Need more data to test method.
Refactor factories to ensure all tests pass.
Add seed file for initial recommendable redis tests.