An act that deals with maintaining a Caretaker record for a changeset.

During insertion, adds an associated insert if a caretaker can be found in the epic options.

During deletion, ensures that the related record will be cleaned up.

Epic Options (insert):

• :caretaker - user that will take care of the post, falls back to :current_user
• :current_user - user that will taker care of the post, fallback if :caretaker is not set.

Act Options:

• :on - key to find changeset, required.