Add google polyline
 adds map to chapter show page that shows all of the posts from that chapter
google map js update
Merge branch 'master' of https://github.com/pocus/mondiale
adds acts_as_votable to gemfile
creates the acts_as_commentable migration
adds acts_as_votable to trip model
adds member route for vote
adds a link to upvote a trip
 added a vote method to the controller that upvotes the trip
the upvote button now fires a javascript request
Update google map
Merge branch 'master' of https://github.com/pocus/mondiale
Remove div tag under application.html.erb
adds acts_as_voter to user model so that it can utilize acts_as_commentable methods
 upvote button only displays if user has not already upvoted the trip, displays a message if the user has upvoted the trip
adds a list of trips the user has upvoted to their profile page
Wrap all methods under google_map.js into object
Merge branch 'master' of https://github.com/pocus/mondiale
 users can now remove their upvoting of a trip and the appropriate message will display