remove backbone-events-standalone dependency

this is probably just a holdover from days past. I was reading through the code and noticed that it wasn’t being used, so I went ahead and removed it.
cleaning up tests

I was reading through the tests and just fixed some misc tiny things that stood out in my editor.
Merge branch 'cleanup-tests' of github.com:chadxz/ampersand-view
run fixpack. remove reference to backbone in comment
6.0.5