add initial \webinit\Manifest class

C. Fahner <info@fahnerit.com>
remove soon to be useless Hook:::webinit/version from fahnerit_mail ext

C. Fahner <info@fahnerit.com>
add hook Hook:::webinit/sync to fahnerit_web extension

C. Fahner <info@fahnerit.com>
update core manifest

C. Fahner <info@fahnerit.com>
update Namespace:::webinit manifest

C. Fahner <info@fahnerit.com>
add \fahnerit_main\WebSettings

C. Fahner <info@fahnerit.com>
update Hook:::webinit/sync for fahnerit_web

C. Fahner <info@fahnerit.com>