Put space between # endpoints and y axis

[limnoliver]

In barplots, the (chemical name?) and "# endpoints" are too bunched up on the left side of the plot.

[ldecicco-USGS]

I think this is for single site boxplots

[ldecicco-USGS]

Ah, and where it gets tricky is to make sure it still works with the faceting:

http://usgs-r.github.io/toxEval/articles/benchmarks.html