…id spurious qslint errors.
Patch by tnmurphy, closes ticket:3620
Some combination of QImageReader, QImage, QPixmap, QCursor and the wzfs wz:: virtual file system apparently doesn't work in Qt 4.8.2 (but works in Qt 4.8.1). The following error was printed (multiple times) to the shell: QCursor: Cannot create bitmap cursor; invalid bitmap(s) Fixes ticket:3562.
…kY, closes ticket:3630
Destroyed research facilities can no longer permanently hog a research. Steps to reproduce: Enable debug mode, slow down game speed to 0, destroy facility with Alt+K, start research, speed up game to normal speed. Research remained missing even after the facility exploded. Fixes ticket:3570.
Production would halt until the redundant tank was manually removed from the build order.
… or similar.