alloc: move into antithread/alloc. Our first nested module; easy because noone else relies on it. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
various: make the _info License: wording uniform for GPL variants. GPL versions 2 and 3 both specifically mention "any later version" as the phrase which allows the user to choose to upgrade the license. Make sure we use that phrase, and make the format consistent across modules.