QtIFW

Updated the method of assembling a message for a better translation.

Also added check to decide whether to add a space.

Change-Id: Ibcd9b10ea093426eac53ddbd3cf8c8a190dcf294
Reviewed-by: Tasuku Suzuki <stasuku@gmail.com>
Reviewed-by: Niels Weber <niels.weber@theqtcompany.com>