the installation instructions to INSTALL.md, and update the markdown
generation scripts.
Change-type: minor
Signed-off-by: Paulo Castro <paulo@balena.io>
The new resin-multibuild and docker-progress versions widen the range
of errors caught by the 'balena push' and 'balena build' commands.
Change-type: patch
Signed-off-by: Paulo Castro <paulo@balena.io>