Log Message:
Add ruby-http-form_data package version 1.0.0.

Utility-belt to build form data request bodies.  Provides support for
application/x-www-form-urlencoded and multipart/form-data types.

This is newer version of ruby-form-data.

## 1.0.0 (2015-01-04)

* Gem renamed to `http-form_data` as `FormData` is not top-level citizen
  anymore: `FormData -> HTTP::FormData`.