bin/dconf-dump: use "while read" loops instead of "IFS for" to iterate over lines

Signed-off-by: Nicolas Iooss <nicolas.iooss_git@polytechnique.org>
bin/truec: use "while read" loops instead of "IFS for" to iterate over lines

Signed-off-by: Nicolas Iooss <nicolas.iooss_git@polytechnique.org>
Add bin/set-title to change terminal title

Signed-off-by: Nicolas Iooss <nicolas.iooss_git@polytechnique.org>