Re-addition of Juju charm for deploying Metis. Updates to backupSystem to make theoretically make it work (still needs testing). Changes to callback to implement "Disable CORS" checking. Changes to cloud.ts to make sure it handles errors better for multi-file IO. Implement Disable CORS test in simulator.
Fixes to install hook in charm that now allows heartbeat file to be copied to the correct location. Fixes to .htaccess and apache2.conf to allow .htaccess usage and JSON blocking. Removal of juju-charm folder from snapshots.
Updated developer build.
Merge branch 'experimental' for the purposes of reliable juju-charm deployment of stable branch.