Change white and black list to allow and deny list

[brosenberg42]

Issues:

• Change all references to "whitelist" to "allow list" and "blacklist" to "block list" #1705

Related PRs:

• Change white list to allow list openmpf-components#340
• Change whitelist to allow list. openmpf.github.io#172

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This change is 

[jrobble]

Reviewable status: 0 of 3 files reviewed, 1 unresolved discussion (waiting on @brosenberg42)

a discussion (no related file):
The Trigger PR will land before this one. The "Filtering Using Triggers" section will need to be changed to "approved list".

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[jrobble]

Reviewed 3 of 3 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @brosenberg42)