Merge pull request #187 from atlasapi/unmerged-schedule

Unmerged schedule
FINALLY remove channel enums
Merge pull request #186 from atlasapi/mbst-8137-add-v4-aliases-for-pa-films

Add v4 alias block to simple model
Revert "FINALLY remove channel enums"

This reverts commit b571b8286b90ce0694e9093007ac3d976dbd39b6.
Add Publisher param to control visibility with no API key

Instead of trying to derive through other flags, add an explicit
boolean that decides whether a publisher is available on the API
when no API key is provided.
Merge branch 'no-api-key-enabled-publishers' into stage