fix: image crop example
Add compatibility/retry on notification streaming
Add OPPS_CONTAINERS_BLACKLIST config on HideContainerAdmin
Add lazy translation on child_class list_display on HideContainerAdmin
Add ChannelListFilter on HideContainerAdmin list_filter
Merge branch 'master' of github.com:opps/opps into container-multichannel

* 'master' of github.com:opps/opps:
  Add ChannelListFilter on HideContainerAdmin list_filter
  Add lazy translation on child_class list_display on HideContainerAdmin
  Add OPPS_CONTAINERS_BLACKLIST config on HideContainerAdmin
  Add compatibility/retry on notification streaming
  fix: image crop example