As referred to in GPL_EXCEPTION.txt.

Creator is also released under this version of the GPL.

Fixes: Documentation - submitting main screenshot and adjusting the manual's main page to reflect this new screenshot

Details:  Depend on libQtSvg and libQtDBus, so that our version gets
loaded.

Details: Thank you N!

Details:  hjk also wrote something.

Details:  Force a recompile of the binary.

Details:  Looking forward to your contribution, commit log reader.

The mouse handling for code folding wasn't deactivated when the code
folding markers were hidden.

Reviewed-by: mae

Details:  - Screenshots and some changes regarding the different
handling of Custom Display of Qt Objects.