Show map list on user profile page

Show banner counts/tabs on User Details page
* Categories are "Tree Maps" and "Edits"
* Use singular form ("Tree Map" or "Edit") if there's only one

"Tree Maps" list includes:
* maps the user has joined (via invite) or edited, which current user has permission to view
* the map most recently visited in the current session (if user is looking at their own list)
Merge pull request #1348 from RickMohr/show-maps-on-user-page

Show map list on user profile page