c69ca1b56b72f694c7b6e234c5bbb8e72c2405fa Fix doc for oo_.{Smoothed,Updated,Filtered}Variables and oo_.SmoothedShocks.

================================ DYNARE MAKE CHECK MATLAB RESULTS ================================ | TOTAL: 423 | PASS: 421 | FAIL: 0 | XFAIL: 2 | XPASS: 0

================================ DYNARE MAKE CHECK OCTAVE RESULTS ================================ | TOTAL: 421 | PASS: 419 | FAIL: 0 | XFAIL: 2 | XPASS: 0

A full log can be found on karaba in '/tmp/dynare-4.4-check-8sNlFMhjwF.log'.