function _isWelcomeProjectPath(path, welcomeProjectPath, welcomeProjects) {
        if (path === welcomeProjectPath) {
            return true;
        }

        // No match on the current path, and it's not a match if there are no previously known projects
        if (!welcomeProjects) {
            return false;
        }

        var pathNoSlash = FileUtils.stripTrailingSlash(path);  // "welcomeProjects" pref has standardized on no trailing "/"
        return welcomeProjects.indexOf(pathNoSlash) !== -1;
    }
Returns true if the given path is the same as one of the welcome projects we've previously opened,
or the one for the current build.

@param {string} path Path to check to see if it's a welcome project
@param {string} welcomeProjectPath Current welcome project path
@param {Array.<string>=} welcomeProjects All known welcome projects