[app] Use AppConfigLocation for settings path. Contributes to #168
[app] Use AppConfigLocation for settings path. Contributes to #168

QStandardPaths::AppConfigLocation defined as
QStandardPaths::ConfigLocation/Orgname/Appname which matches the path requested by
Sailjail if a profile is provided.

communi/communi-sailfish,communi/communi-sailfish,communi/communi-sailfish