small tweaks to the open editors view, and an attempt to implement a down state for the close button.
Why isn't pressedIndex in QAbstractItemView accessible, or at least a state flag in the delegate to
indicate that this item is pressed down?

It popped up an error saying the file couldn't be found. Better not show
a link at all.

Rerun cmake and reparse the file. Add new files to the tree, remove old
ones from th tree. Add/removing targets should also work.

mostly renamings

Task-number: 237733

configuration. Contains some compatible versioning code to also show it
to current users, but without destroying their manual setup.

This is for the case of function overloads where one overload takes no
parameters. Solved by keeping track of the duplicate count.

Done with Roberto Raggi.

Done with Roberto Raggi.

Done with Roberto Raggi.

Done with Roberto Raggi.

with mouse-over. The change makes the list behave more like tabs.

Done with Roberto Raggi.

For example, don't keep triggering scope completion on bunch of colons.

Done with Roberto Raggi.

Look in the run configuration for it.

Crashes, Roberto will fix properly later.

Done with Roberto Raggi.

Even works.

Need to remove that at one point, but having someone report it one day
after we tried to remove this, means not now.

QLatin1String refactorings.