v1.38.3 -- Fix typo causing matlab exception in ProbeClass.m 3d-to-2d optode projection code (#138)

* v1.38.3

-- Fix typo causing matlab exception in ProbeClass.m 3d-to-2d optode projection code
-- Change output folder name in AppSettings.cfg to be derivatives/homer to be BIDS compliant
-- Add backward compatibility code to detect and move derived output in old folders to new BIDS compliant folder derivatives/homer

* v1.38.4

-- Convert export of processing stream functions from .txt to JSON .json format in compliance with BIDS.
-- Add Qianqian's JSON library jsonlab to support the exporting of processing stream functions
-- Add fields ExcludedTime and ExcludedChannels to exported proc stream functions