Remove question by brian in single_details_area.xml from b66d1716e7
which is answered by "because the style set it".
Delete BuildNameText style, because it specifies ghost="true" in both
style and sole object using the style.
Don't touch progressbar and structree styles, because there is more to
clean.
Differential Revision: https://code.wildfiregames.com/D2292
This was SVN commit r22957.
Allows coding the GUI without global functions which break
prototype-oriented coding, refs #5322, fixing the concern in 4b1297b328.
Supports stacked message boxes and removes the according workaround.
Change structree / civinfo switch-dialog code from 760a47335d to perform
the callback for page that actually registered the callback.
Ensure the parent that the callbackhandler is always called if the page
is closed.
Merge PopGuiPage and PopGuiPageCB following that choice, incidentally
leaving cleaner code.
Differential Revision: https://code.wildfiregames.com/D1684
Comments by: Yves, Vladislav, wraitii, leper
This was SVN commit r22676.
