BF: pass author and version info

ENH: create_win takes more kwargs
many changes to fmri

NF: synthetic fmri data!
ENH: plot_chunks, plot_roi work nicely
RF: changed offset to be recorded in ds already
RF: 'force' takes 'all', 'retrain' while 'reuserois' deprecated
DOCS: seaborn-styled plots now produced in docs
updated installation reqs
DOCS: small fixes
DEMOS: small fixes
DOCS upgraded to include new functions
version 0.5.3