ebf1531725a1fe078a9d85a23d84129d3b95bb01

added 2 specs for multipart formdata: (1) for checking request with IO, (2) for testing GET with content_type not erroring on multipart/form-data absence; fixed error with multipart/form-data absence.

815ba9785955942596f5f3db378f60e42ecc29cd

Fixed 2 problems with multipart form upload after application is deployed to Tomcat via warble: (1) The @body object in this environment is an IO object, not a StringIO, so doesn't have a size method, and (2) 'tempfile' needs to be explicitly required.