Added content to section Javascript Storage

Removed trailing whitespace

Added content to section QSettings

Removed trailing whitespace

Corrected incomplete link statements

Added content for Qt Resources

Change-Id: I018ee946bc7746741e37e992a9ef80dc7e5fb435
Reviewed-by: Venugopal Shivashankar <venugopal.shivashankar@digia.com>
Reviewed-by: Martin Smith <martin.smith@digia.com>
Reviewed-by: Paul Olav Tvete <paul.tvete@digia.com>