Added nittime bandpass and code to update fsf
added default nuisancefsf that will be used to generate each subjects nuisance model
add code to update fsf file and run film_gls
NF+DOC: add doc string to update_fsf and added write_fsf
NF: tool to run feat_model
NF: added merge and split files functions to utils
NF: added modular wrapper scripts
NF: functions added to realignst_wrapper
add generic  directory creation tool
TEST: add test for directory creation
movement to pandas now handles 6 or 7 params
Fixed nipype error capture
Bug fix and restructure example files
NF: added tools for ants and spm realign code
modify utils, explicit outfile for make_mean and fsl_make4d
TEST: fixed test for make_mean in utils to handle two params
NF: added despike
added creation of mean  to realign_ants
added creation of mean and aligned4D to realignst_spm
updated possible processing stream