Added getter to hologram to determine color support (tier).
Adjusted palette color getter/setter in hologram to use same indexes as when setting (i.e. starting at 1, with 0 being reserved for blank).
Merge branch 'master' of github.com:MightyPirates/OpenComputers into MC1.7
Fixed something that doesn't fix anything.
Fixed wget not closing and deleting files when erroring while downloading.
Made wget more friendly when used by other programs, added -Q option (superquit, no output whatsoever).
Merge branch 'master' of github.com:MightyPirates/OpenComputers into MC1.7