Travis: Test "info" argument

utils/travis/script-linux.sh

@@ -21,6 +21,7 @@ make
 # Test command line arguments that don't need GUI.
 DISPLAY="" ./copyq --help
 DISPLAY="" ./copyq --version
+DISPLAY="" ./copyq --info
 
 # Start X11 and window manager.
 export DISPLAY=:99.0

utils/travis/script-osx.sh

@@ -26,6 +26,7 @@ python macdeployqtfix/macdeployqtfix.py "$executable" /usr/local/Cellar/qt5
 # Test the app before deployment.
 "$executable" --help
 "$executable" --version
+"$executable" --info
 
 # Run tests.
 "$executable" tests -silent