Change #tripbot to #tripbot-dev & restrict command usage in it by non-team members

[theimperious1]

To lessen channel misuse, and then totally prevent it by the command usage restriction.

This is not a discussion but what we need to do, approved already.

[theimperious1]

This has been at least 50% resolved, awaiting confirmation that command usage was restricted before closing this.

[theimperious1]

Resolved!