Added DELETE support to RestClient.
Updated RestClient details in README.
Extracted creation of HttpClient to private method.
Modified output of response returned from DELETE.
Added OPTIONS support to RestClient.
Updated RestClient details in README to include OPTIONS support.
Added PUT support to RestClient.
Fixed incorrect print message.
Updated RestClient details in README to include PUT support.  Updated SBT examples.
Renamed RestClient to RESTfulClient.  Renamed RestfulServlet to RESTfulServlet.