Refector AwesomeFacebook strategy

  * Remove under 30 age group, no such fb age range
  * Clean up if statement in determine_place_based_on_user_and_time
  * Add bar to meal types
Remove printing line from AwesomeFacebook refactor
Fix AwesomeFacebook default return value to pass specs.

  * returns a place no matter what!
Clean up AwesomeFacebook case statement and time methods

  * change if else to case statement.
  * change time methods to include "?"
Change cases to single line each.

  * increase readability
Merge pull request #59 from banana-slugs-2014/refactor_awesome_facebook

Refactor awesome facebook
Merge branch 'master' of https://github.com/banana-slugs-2014/feed.me into facebook_weighted_refactor