Make a Maps backbone application

Will be able to load and store locally path files (gps coordinates files) and display the selected ones on a google map.
Is a backbone application.
For now display a default map (Sodegaura) and a file chooser hidden by a link.
Load path files

Model, Collection and ul view for the path files.
Path files are stored in the local storage.
Add or remove path to maps if checked
Zoom and center the maps according to included

Unzoom when nothing is included.