[SRC] Disable stack trace from command line log.c

Signed-off-by: Jarko Poutiainen <Jarko.Poutiainen@oss.tieto.com>
[SRC] Disable stack trace from command line main.c

Signed-off-by: Jarko Poutiainen <Jarko.Poutiainen@oss.tieto.com>
[SRC] Disable stack trace from command line ofono.h

Signed-off-by: Jarko Poutiainen <Jarko.Poutiainen@oss.tieto.com>
[SRC] Disable stack trace from command line ofono.service.in

Signed-off-by: Jarko Poutiainen <Jarko.Poutiainen@oss.tieto.com>
Merge pull request #216 from jpoutiai/master

Disable stack trace from command line