transformed single Trial ERP analysis to options/clean Analysis, started to write clean preprocessing eEG version

small changes to new clean eeg analysis during meeting with Lilian, discovered that spm is not working on laptop anymore

added some comments in old eeg analysis for step_1 and step_2 match eeg and stim to indicate how these scripts will be split into different functions

updated code for plotting ERPs, added some models to convGLM, implemented cluster based permutation testing for ERP data

changed plotting of behav kernels for thesis, adopted eeg analysis script to preprocess last 2 subjects