Adjust blacklist/watchlist functionality to utilize Helios

[AWegnerGitHub]

The changes to utilize Helios are:

• [ ] Remove blacklists and watchlists from the repository
• [ ] Ignore those files in .gitignore
• [ ] Call the Helios endpoints at startup and promotion from standby to pull blacklists and write these lists to the local files that were previously removed from the repository
• [ ] When writing a new blacklist record, write to the local file
• [ ] When writing a new blacklist record, follow the procedure outlined here if the user doesn't have permissions to directly create a blacklist item. This will involve either a call to Helios itself with a flag indicating it's not active yet or a call to metasmoke for approval
• [ ] When writing a new blacklist record, if the user has permissions, call the appropriate Helios endpoint to add the new record

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• [ ] Adjust the !//pull command or add a new command (ie. !//update-blacklists) to pull all lists from Helios and over write the local cache files

[quartata]

Might be worth combining these issues into one "refactor datahandling" list, at least for the writing records bits

[stale[bot]]

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