Merge pull request #20 from coenching/master

All views ok. Not include Github Readme. Am testing this commit on Heroku now.
Modify Friends page
Merge pull request #21 from vtoulemonde/bugfix

Modify Friends page
db rollback to before remove column migration
comment out remove column migration
Add the visits of my friend on the show place view.
Merge branch 'master' of https://github.com/vtoulemonde/visit_places_app
Merge pull request #22 from vtoulemonde/bugfix

Add the visits of my friend on the show place view.
Merge branch 'master' of https://github.com/vtoulemonde/visit_places_app