Strategize ways to reduce clutter in our RollBar feed

[sraby]

Let's see if there are any errors we can just fix to reduce clutter. Let's also explore RollBar "classification" systems that can group multiple errors together to reduce how many notifications we get on our slack channel.

[sraby]

@toolness given the work you've done on identifying and logging our RollBar errors as issue, I feel pretty good about closing this. Although we didn't quite explore RollBar's "classification" system. Thoughts?