take app_version and app_name from pro file

Signed-off-by: Maksim Melnikau <maxposedon@gmail.com>
use QCommandLineParser to parse arguments

Signed-off-by: Maksim Melnikau <maxposedon@gmail.com>
add basic localization

Signed-off-by: Maksim Melnikau <maxposedon@gmail.com>
install translators

Signed-off-by: Maksim Melnikau <maxposedon@gmail.com>