modularize file ts update from exif ts
update ts of destination file from exif ts
finally chmod 555 dest file
use chattr +i FILE to "fix" the file
bugfix: chattr needs to be last
better logging
log the chattr
PROBLEM needs to be fixed cf note circa line 142
major changes to file ts checking - now using epoch
major changes: logging and ts setting
check file is writable only if need to change ts based on exif
bugfix unnec chmod making dest file not writable
make newly copied hash file writable
make any newly created subdir ug+rwx
code cleanup
code cleanup
disable chattr
disable chmod
debug file permissions
bugfix chmod on dest not src