Seperated the script generating scripts for the fMRI and behavioral
sessions

New fields in the expt_config file which need to be configured properly
for the behavioral sessions:

	pertSent (Decided to use "The pet cat gave birth to kittens")
	nTrialsPerRep
	nTrialsF1UpPerRep
	nTrialsDecelPerRep
	nTrialsOtherPerRep