I'd say he is into you.

Why don't you just have your friend ask him, one night you are all together. Men do that, all he has to do is say "Hey you into her or what?" The worse that can happen is he says, that your just friends or maybe, something like he wishes, who knows, you might just be surprised, by the answer. If you find out what you want and what we all think is his feeling.........Then GO for it.

If not sounds like you guys could be playing the waiting game for a long time, someone has to make the first move, and theres no reason it can't be you.