Modified trip controller to retrieve blog titles and posts and pass it as json
Put title and body arguments on placeMarker function
Modified show markers on index:

- Added new method to trips_controller to show markers
- Added new link tag for ajax calls to method
- Added new css class for link tag
- Changed selectors on jQuery load_pin to use new class
Updated to Christine's latest on gistbox

Added new show markers route
Fixed merge conflict on routes
Merge branch 'chores/load_pin.js' of https://github.com/nealfennimore/TravelBlog into chores/load_pin.js
Merge pull request #69 from nealfennimore/chores/load_pin.js

Chores/load pin.js