Permissions List and Information v8

[gold stinger]

Changing it to bmah / Tasselfoot since Tass doesn't explicitly say it anywhere on the forums, only reference is bmah on forums.

Removed the 3rd-party content in-regards to stepping on bigger rhythm gaming content's toes since that should apply to everyone a.k.a. the "Rule Changes" section of the same spreadsheet, highlighting that we shouldn't be stepping content that the musician doesn't directly own the rights for.