Fix swagger spec for body params
Fix swagger spec for body params

According to the swagger spec, when defining parameters if "in" is "body"
then the "schema" field is required. Using type in the current way is
invalid, and actually crashes go-swagger.

keedya/on-http,keedya/on-http,RackHD/on-http,RackHD/on-http,keedya/on-http,lanchongyizu/on-http,larry-dean/on-http,lanchongyizu/on-http,larry-dean/on-http,RackHD/on-http,lanchongyizu/on-http,keedya/on-http,lanchongyizu/on-http,larry-dean/on-http,RackHD/on-http,larry-dean/on-http