[cosmetic] remove the mentions of xbox in pydocs code
depends - readd native tar (needed for deb file packaging on ios)
[ios/atv2] - fix pathes in packaging script
depends: fix reace on native gettext installation
Merge pull request #2490 from MartijnKaijser/remove_xbox

[cosmetic] remove the mentions of xbox in pydocs code
[OSX] SSE42 is for i7+ cpu, should not be set by default.