endian: remove unnecessary _CONST postfixes.

It makes the names longer, whereas the CAPS is probably sufficient.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
breakpoint: new module.

Thanks to Jeremy Kerr for the idea!

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Merge remote-tracking branch 'origin/master' into me