Consolidate config/log locations for single installer

Allows the user to inspect the installation from the
host system (~/.cloud-install) without having to
ssh into the container first.

Fixes #248

Signed-off-by: Adam Stokes <adam.stokes@ubuntu.com>
newline in userdata

Signed-off-by: Adam Stokes <adam.stokes@ubuntu.com>
container reboot not needed

Signed-off-by: Adam Stokes <adam.stokes@ubuntu.com>