More (and clearer) plot info where makes most sense

[edan-bainglass]

For example, in the summary plot, information on the legend is summarized in one paragraph below the plot. Consider lifting this to maybe the legend if possible, or think of another solution. Think UX!

[edan-bainglass]

Pseudopotentials in various plots (EOS, bands) should also be consistent with that of the summary plot. And maybe add links to the various pseudopotentials in some consistent way.