Add "Find closest instructors" link on event's details page
Add "Find closest instructors" link on event's details page

The link will show only if lat/long are present, and "Error" otherwise.

vahtras/amy,wking/swc-amy,wking/swc-amy,swcarpentry/amy,wking/swc-amy,swcarpentry/amy,pbanaszkiewicz/amy,vahtras/amy,vahtras/amy,wking/swc-amy,pbanaszkiewicz/amy,pbanaszkiewicz/amy,swcarpentry/amy