Upgraded to ruby 2.1.2
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