Fix NoSuchElementException: key not found: i1_on_computer

See also https://github.com/seratch/scalikejdbc-async/issues/8

Now it's failing with

[UnsupportedOperationException: Please send a feedback to the library maintainers about supporting class org.joda.time.LocalDate for #date(String)!]

In /home/magro/proj/play-coda-reactive/app/models/Models.scala at line 37.
34  def apply(c: ResultName[Computer])(rs: WrappedResultSet): Computer = new Computer(
35    id = rs.longOpt(c.id),
36    name = rs.string(c.name),
37    introduced = rs.dateOpt(c.introduced).map(_.toDateTime), // .map(d => new Date(d.getTime())),
38    discontinued = rs.dateOpt(c.discontinued),
39    companyId = rs.longOpt(c.companyId)
40  )