Clicking on hovercard place names to explore

This provides a mechanism for a user to profile
a location by clicking on the name in the distribution view.
Otherwise they have no way of exploring a place discovered
in this view except by searching for it, which isn't always
supported.
Tiny bit of drop shadow on hovercards to make their 3D aspect apparent
Revert "Tiny bit of drop shadow on hovercards to make their 3D aspect apparent"

This reverts commit 9c0f5996843deaab176dffc0a9d979d201353ab4.

Revert for performance reasons
Merge pull request #51 from Code4SA/coal-hover-links

Make it possible to view profile page of a place from distribution view.