Minor: Fix some strings
Minor: Fix strings
Variables toolview: Make it possible to show types

TODO: Disable auto-resizing of columns inside the view when expanding
items. This is distracting and additionally causes the view gaining too
much width.
Add code navigation via mouse forward/backward buttons

REVIEW: 115436
Merge branch 'master' of git://anongit.kde.org/kdevplatform into dark_theme_colors