Resolved conflicts.
Changes to plot compare function.
modifying the select of brain response and its ploting parts
added tmin and tmax parameters, and tested, it ran well
Merge pull request #51 from dongqunxi/select_brain_response

Enhancements to functions apply_ica_select_brain_response and plot_compare_brain_responses. Addition of condition parameter (trigger, response, both) to recompose brain responses only using ctps.