Added map dynamic ajax to get coordinates
modified:   app/assets/javascripts/map.js
modified:   app/controllers/activities_controller.rb
modified:   app/views/activities/show.html.erb
modified:   config/routes.rb
Modified ajax so now map is centered on the activity
modified:   app/assets/javascripts/map.js
modified:   app/controllers/activities_controller.rb
Merge branch 'betterdata'