New lib for user groups and integration of this lib in other libs

Signed-off-by: Michael 'Tekkla' Zorn <tekkla@tekkla.de>
Removed garbage

Signed-off-by: Michael 'Tekkla' Zorn <tekkla@tekkla.de>
Added basic admin permission and a config permmision when config is used
by app.

Signed-off-by: Michael 'Tekkla' Zorn <tekkla@tekkla.de>
Added DI of HtmlFactory as $html property

Signed-off-by: Michael 'Tekkla' Zorn <tekkla@tekkla.de>