Jobs 1.0.0 Beta 3

• Updated to latest Vapor beta 2 release (#48)

import Jobs
import Vapor

let email = Email()
app.jobs.add(email)

try app.jobs.use(.redis(url: "redis://\(hostname):6379"))

app.get("send-email") { req in
    req.jobs.dispatch(Email.self, .init(to: "tanner@vapor.codes"))
        .map { HTTPStatus.ok }
}

• Enabled test discovery on Linux. (#49)