Delete .json suffix
Add collection serializer spec
Merge pull request #121 from fs/examples-fix-json

Delete .json suffix
Add be_a_meta_representation matcher
Use allow syntax instead stub
Merge branch 'examples' into implement-pagination-examples

* examples:
  Delete .json suffix

Conflicts:
	doc/api/v1/comments/create_comment.json
	doc/api/v1/comments/list_of_comments_with_default_meta.json
	doc/api/v1/index.json
	spec/acceptance/v1/posts_spec.rb
Merge branch 'implement-pagination' into implement-pagination-examples

* implement-pagination:
  Use allow syntax instead stub
  Add be_a_meta_representation matcher
  Add collection serializer spec