Implement crash handling on Linux

This will allow us to generate crash dumps and have users report
crashes.
Remove some unnecessary dummy functions.
Change dump file extension
Implement crash report system on Windows.
Implement backtraces on Windows.

Much !!FUN!! was had
Remove unused function
Fix stupid tabs.

Thanks, QtCreator... ._.
Add a missing letter
Add static data path for ... static data. Like translations. Move translations there.
Screenshot upload dialog(s) now have the console window as parent.
Restore manage screenshots in main window.
Merge branch 'feature_crashreport' into develop
Merge branch 'develop' into feature_quickmod

Conflicts:
	gui/MainWindow.h
	logic/OneSixInstance.h