function addWelcomeProjectPath(path) {
        var welcomeProjects = ProjectModel._addWelcomeProjectPath(path,
                                                                 PreferencesManager.getViewState("welcomeProjects"));
        PreferencesManager.setViewState("welcomeProjects", welcomeProjects);
    }
function addWelcomeProjectPath(path) {
        var welcomeProjects = ProjectModel._addWelcomeProjectPath(path,
                                                                 PreferencesManager.getViewState("welcomeProjects"));
        PreferencesManager.setViewState("welcomeProjects", welcomeProjects);
    }
function addWelcomeProjectPath ( path ) { var welcomeProjects = ProjectModel . _addWelcomeProjectPath ( path , PreferencesManager . getViewState ( "welcomeProjects" ) ) ; PreferencesManager . setViewState ( "welcomeProjects" , welcomeProjects ) ; }
Adds the path to the list of welcome projects we've ever seen, if not on the list already.

@param {string} path Path to possibly add
Adds the path to the list of welcome projects we ve ever seen if not on the list already .
Add a path to the project model