Use custom JUJU_HOME for installer work

This allows us to concentrate only on what the OpenStack
installer does and not overwrite any other juju environments
that have defaulted to using ~/.juju as its home.

Signed-off-by: Adam Stokes <adam.stokes@ubuntu.com>
Update docs to reflect using the openstack-juju cmd

Patch for changing that command next.

Signed-off-by: Adam Stokes <adam.stokes@ubuntu.com>
rename bin/openstack to bin/openstack-juju

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

Signed-off-by: Adam Stokes <adam.stokes@ubuntu.com>
Add link to Landscape Autopilot install docs

Signed-off-by: Adam Stokes <adam.stokes@ubuntu.com>
set JUJU_HOME for deployer to use

Signed-off-by: Adam Stokes <adam.stokes@ubuntu.com>
set JUJU_HOME in configure-landscape

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