Upgraded to ruby 2.1.2
Use v1 prefix in the url for api versioning
Update rspec doc api for versioning
Merge branch 'examples' into api-versioning

Conflicts:
	doc/api/index.json
	doc/api/v1/sessions/sign_in_with_invalid_password.json
	doc/api/v1/sessions/sign_in_with_valid_password.json
Use V1 instead of Api::V1
Rename BaseSerializer to ApplicationSerializer
Merge pull request #111 from ildarkayumov/rename-base-serializer-100

Rename BaseSerializer to ApplicationSerializer
Merge pull request #80 from fs/upgrade-ruby-2.1.2

Upgraded to ruby 2.1.2
Merge branch 'examples' into rename-base-serializer-on-examples

* examples:
  Use rails_helper instead of spec_helper for posts and comments acceptances
  Generate rspec api docs
  Use post and comment root elements on specs
  Separate posts and comments seeds
  Fix rubocop warnings
  Add posts and comments to seeds
  Add posts and comments to examples branch after merge with master
Inherit post and comment serializers from application serializer
Merge branch 'examples' into api-versioning
Merge pull request #102 from fs/api-versioning

Api versioning
Merge pull request #113 from ildarkayumov/rename-base-serializer-on-examples

Rename base serializer on examples
Delete .json suffix
Merge pull request #121 from fs/examples-fix-json

Delete .json suffix
Add names for subjects in acceptance tests
Merge pull request #127 from fs/add-named-subjects-in-acceptance-tests

Add names for subjects in acceptance tests
Do not use default location value for api responder
Merge branch 'provide-full-resource-where-available' into full-resource-examples
Remove location options with [false|nil] values for respond_with