Return to previously selected Template and Card when navigating away from then back to templates section

[timkyoung]

Sometimes while working on a template I find it necessary to refresh my memory about one of the attributes or to add a new asset, etc. This means I have to navigate away from the template section. Upon returning to the template section neither the template nor the card that I was working on is loaded. So I have to re-select both template and card. It would be convenient if the application could remember which template and card were loaded an queue those up upon returning to the template section.