typo

Signed-off-by: gautiermichelin <gm@ideesculture.com>
adding qrcode option in config file

Signed-off-by: gautiermichelin <gm@ideesculture.com>
typo

Signed-off-by: gautiermichelin <gm@ideesculture.com>
typo !

Signed-off-by: gautiermichelin <gm@ideesculture.com>
Changing model for fetching id & controller ; correcting qrcode_prefix ; launching child screen when qr numcode found in tour stops

Signed-off-by: gautiermichelin <gm@ideesculture.com>
Merge branch 'qrcode' of https://github.com/tourguide/tourguide into qrcode