v0.7.1

[gcanti]

• Internal
  • upgrade to latest version of tcomb-validation (2.2.0)
  • removed react-dom dependency
  • removed debug dependency
• New Feature
  • added argument context to error options that are functions (new signature: error(value, path, context))
  • added error option default if the type constructor owns a getValidationErrorMessage(value, path, context) function
  • added context prop to all components (passed into error as context argument)