Django-moderator

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. Realtime classification option.
. Mark spam with reply action.
. Post replies before comment option.

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. Further speed optimizations.

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. Admin speed optimizations.
. Add moderator reply admin action.

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. Added moderate admin change view tool.

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. Added site field for canned replies and filter accordingly on comment admin views.

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. Added ``traincommentclassifier`` management command.
. Admin proxy model additions to clearly group comments.
. Various optimizations.