User survey: force running the survey from command line

This way people can test the dialog much easier.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
OS Detection: Use QFile when reading /etc/os-release

Improves and simplifies reading of /etc/os-release on
linux system to read the PRETTY_NAME value. The previously
used method is unnecessarily lengthy and too complicated.

Signed-off-by: Joseph W. Joshua <joejoshw@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>