newlines are like whitespace, so items don't run together

Patch by Fathi Boudra.

in inaccessible files

Task-number: 247123

Task-number: 250574

Reviewed-by: Thorbjorn Lindeijer

Note: The use is now forced to run cmake. This is rather suboptimal, but
currently cancel doesn't do the correct thing so we prevent that.

Pointed out by Mathias Gumz.

Task: 250759

bugfix for windows: trying to open files stored on network drives relied on QFileInfo::isWritable() without using the real filesystem checks

Thanks to "catanzag" on the labs blog.