Glance - Simplestreams Sync Charm

Merge proposals dependent on lp://staging/~mikemc/glance-simplestreams-sync-charm/add-nclxd-default-imagetype

  1. add-nclxd-default-imagetype
  2. Dependent merge proposals

lp://staging/~mikemc/glance-simplestreams-sync-charm/add-nclxd-default-imagetype has no merge proposals.