[Feature Branch] - Update Readme and Gem Specification
- Add rspec support, travis, code climate references
- Add as default open-graph providers [:twitter, :facebook, :google]
- Abstract Dependencies from MetaTag and MetaInfo from Cms::Page Model.
  We are using an configuration to deal with this abstraction
Merge pull request #1 from runtimerevolution/update-gemspec-and-readme

1 - Update Readme and Gem Specification