don't build nightly-nightly builds

azure: Build.Reason in both places

try to avoid a loop when doing nightlys, fixup linux nightly

don't build nightly-nightly builds

azure: Build.Reason in both places

really fix ' issue, schedule a nightly pre-release

add another link to multiplexing docs

termwiz: avoid emitting a wake event on a spurious pipe wakeup

add pty example that runs whoami

Refs: wez#27

use AtomicUsize::new(0) instead of ATOMIC_USIZE_INIT

Replace ATOMIC_USIZE_INIT with AtomicUsize::new(0) as the constant has been
deprecated in favour of calling the constructor.