SPM2FIELDTRIP converts an SPM8 meeg object into a FieldTrip raw data structure

 Use as
   data = spm2fieldtrip(D)
 where D is the SPM meeg object which you can load in with SPM_EEG_LOAD
 and where data is a FieldTrip raw data structure as if it were returned
 by FT_PREPROCESSING.

 See also FT_PREPROCESSING, SPM_EEG_LOAD