Rename facebook_config.yml.example to facebook_config.yml. Closes #24.

Having an example yml file is confusing as it implies that the values
within it should be changed.
Merge pull request #25 from billymonk/rename_facebook_yml_example

Rename facebook_config.yml.example to facebook_config.yml. Closes #24.
Added search to all graph objects
Bumped the gem version
Merge pull request #26 from JoePym/feature/adding_graph_search

Added the ability to search the graph for any object
Added Batch Requests

Only one model currently has a batch request implemented, the Graph
User. It uses Batch to find all users, but since it's a class method,
any object can use it.
Merge pull request #27 from JoePym/feature/adding_batch_requests

Added Batch Requests