Made the GL renderer recieve information of object deletion via signals.

Moved GetIcon and makeSettings into the MainWindow namespace as static methods.

Removed the Critical and Question functions, replaced with direct QMessageBox uses. Removed unused code from mainwindow.h.

Removed dead code

Some cleanup in mainwindow.cpp, use QSet<QString> for the 'ignore' variable.

Reformat colors.cpp.

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mercurial