Merge branch 'master' of https://github.com/robjhyndman/forecast

* 'master' of https://github.com/robjhyndman/forecast:
  all table prefectly reproduced, remove the initpara to avoid unnecessary error report
  changed the return value of HoltWintersNew() to a forecast object that can be used by forecast() function, modified the ses.R, let initial=('optimal','simple') account for ets and HoltWintersNew, respectively