v1.12.20.2

-- Fix Homer3 deployed version not working with R2018b because it's not finding AppSettings.cfg file.
-- Add sample subject data folder to Homer3 and deployed version SubjDataSample and make deployed version open in this subject folder.
-- Make another improvement in displaying aux signal
-- Fix matlab exception when displaying 1-D probe from the SubjDataSample folder (just one src, one det, therefore no height).