orbit: use `this.name`, not `self.name` in `events`

This was meant to be fixed in 1f6565c5, but 61fac2ef appears to have
overwritten it.

Re-fixes https://github.com/zurb/foundation/issues/4476
Fixes https://github.com/zurb/foundation/issues/4681
minor: trim trailing whitespace
Merge pull request #5471 from blueyed/orbit-fix-instance-setup

Orbit fix instance setup