svc package, Status struct add ProcessId
- fork from http://code.google.com/p/winsvc/
- Update all paths to github.com/doylecnn/winsvc
- svc package, Status struct add ProcessId
- winapi package add ControlServiceEx and QueryServiceStatusEx function,
  and other structs, and consts
- mgr package func (s *Service) Control(c svc.Cmd) (svc.Status, error)
  will call winapi.ControlServiceEx on windows server 2008, and
svc.Status always include ProcessId
- mgr package add function func (s *Service) QueryEx()(svc.Status,
  error), will return svc.Status has ProcessId