Fix warning in fluidlauncher example.

"QFSFileEngine::open: No file name specified" for empty icon.
Change getImage() to return a QImage to avoid leaking QImages.

Change-Id: I0ff3843b32d8faad9dd01bf81a5496a701d555cf
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
Remove S60-configuration from fluidlauncher example.

Change-Id: I95a2619343535740ed744eb1b0f3a51d62e6fb22
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>