Make all dynbinary builds be position-independent (this adds both
security benefits and can help with flaky builds on POWER
architectures).
Signed-off-by: Aleksa Sarai <asarai@suse.de>
Remove referenced to developing on the host, we shouldn't support it.
Move script/validate to scripts/validate to be consistent.
Set the default target to be binary instead of clean.
Signed-off-by: Daniel Nephin <dnephin@docker.com>