GFX: Added version icons.

misc/gfx/version_icons/version_both.png

misc/gfx/version_icons/version_both.svg

misc/gfx/version_icons/version_left.png

misc/gfx/version_icons/version_left.svg

misc/gfx/version_icons/version_none.png

misc/gfx/version_icons/version_none.svg

misc/gfx/version_icons/version_right.png

misc/gfx/version_icons/version_right.svg

src/core/pics/version_icons/version_both.png

src/core/pics/version_icons/version_both.svg

src/core/pics/version_icons/version_left.png

src/core/pics/version_icons/version_left.svg

src/core/pics/version_icons/version_none.png

src/core/pics/version_icons/version_none.svg

src/core/pics/version_icons/version_right.png

src/core/pics/version_icons/version_right.svg