I just tried to create a new phonegap 3.0 project... Note: I\'m new to phonegap. Anyways, I see the project folder contains:
.cordova
So I just figured this out through trial and error. The platforms directory can be omitted if you are using phonegap local or remote build, as it is generated on the fly. All of the other folders, including the hidden folder .cordova are required.
platforms