*Update to work with Juju 1.20+
*Bump root disk requirements for cloud controller
handle case where 'cloud-install -u' is called when no file exists
Merge pull request #121 from mikemccracken/uninstall-arg-nofile

handle case where 'cloud-install -u' is called when no file exists
fix error formatting text widget construction
Merge pull request #122 from Ubuntu-Solutions-Engineering/fix-error-message

fix error formatting text widget construction
Wait on mysql service deploy before deploying keystone

Signed-off-by: Adam Stokes <adam.stokes@ubuntu.com>
Fix latent bug in initializing placeholder Unit when unit is not found.
Update title to be consistent with rest of installer

Signed-off-by: Adam Stokes <adam.stokes@ubuntu.com>
only apply network updates if bridge isnt confiured previously

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