userman chat: name api files respectively
userman rbac: create auth* Auth* provider and manager

* default login inside module
* update `userman-devel-auth.user.js`
* remove can, roles, users files

* app_back_userman.js:
  - change `var` to be just definitions
  - assign && require `wes` and `rbac` early
  - setup auth* vars (Can, Roles, USers)
  - move init files below this
  - move cfg check just before parts that need it
userman auth: allow 'developer.local' only from '127.0.0.1'
userman default login: give 'admin.local' role (for auth testing)
userman rbac: fix comments
userman: fix `App.User.can`, remove `App.User.pes`

App permission check:
```
App.User.can['App.backend.JS'] && (
    run_that_ui()
)
```
userman auth `can`: 'App.view.Window.tools.refresh'

was TODO: auth for devel feature