distinctly styles deprecations for clarity
gives better flexibility for redirecting logs
reduces possibility of missing deprecations because warnings are ignored
This moves tag_sets out of individual resources and up to a top-level
item in each mock account's hash. Starting with images, this allows
other mock accounts to create and use their own tags on images they
have launchPermission on.
- Even if there is only one InstanceId, the docs seem to indicate we
should include an index.
- OpenStack's API expects the index in all cases so this will fix
compatibility there as well.
